Mobius Encyclopaedia

Big the Cat

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Current Continuity

For information on other individuals named Big, see Big (disambiguation).
Big the Cat
First Appearance

Sonic the Hedgehog #80

Biographical information




Physical description


  • Height: 200cm
  • Weight: 280kg
  • Fur: Dark purple & white
  • Eyes: Yellow
  • Brown belt, gloves, and sandals
Political Alignment and Abilities
  • Very strong due to size
  • Fishing

Big the Cat is a large Mobian cat with great strength who loves fishing. During Dr. Eggman's attempt at using Chaos to destroy Station Square, Big found himself caught in the middle when his friend/pet Froggy became part of Eggman's schemes and assisted Sonic the Hedgehog in stopping Perfect Chaos. Since then he has been a recurring ally of the heroic Hedgehog and other members of the Knothole Freedom Fighters.


Searching for Froggy

Nothing about Big's early life is known, other than that he lived for most of his life at his shack in the Mystic Ruins jungle with his best pal Froggy, completely undisturbed by the world at large. This all changed when a series of events pulled Big into Dr. Eggmans latest scheme involving the ancient water monster Chaos. When Froggy inadvertidly swallowed the creatures tail, he immediately caught the attention of Eggman's robots. Big took it upon himself to rescue Froggy when he was captured by E-102 Gamma, chasing the robot back to the Egg Carrier before the ship took off, where the large cat found himself up against the fearsome Chaos alongside Sonic the Hedgehog. After saving Froggy from the monsters clutches, the pair of friends returned to their home in the Mystic Ruins, where they continued to live in peace. (SA/SADX)

Later, Froggy went missing again, and it seemed he'd been kidnapped by none other than Sonic, along with Cheese's brother Chocola. Joining Amy Rose and Cream the Rabbit as part of Team Rose, they set off on an adventure to find their friends. The group would later discover that the one behind this elaborate ruse was a self-upgraded Metal Sonic, who attempted to do away with Big and the other heroes in its Metal Overlord form. With the power of teamwork, the heroes where able to defeat Metal Overlord, and Big was reunited with his best buddy once again. Later, after reality was altered by the efforts of Eggman and Dr. Albert W. Wily, Big somehow made his way onto the Wily Egg in the Skull Egg Zone, where he was seen playing a game of cards with Quint. (SH, MM: #27)

Aiding the Freedom Fighters

From the readers point of view, this picks up from where the pre-Super Genesis Wave timeline left off
Sonic and Big Reunion

Big, clueless as usual

Big Fights Silver Sonic

Big fighting Silver Sonic.

During a typical day of fishing in the Mystic Ruins jungle, Sonic and Tails arrived to look for Rotor and the Sky Patrol. The duo (who had recently returned from the Super Genesis Wave with memories of a different timeline) were puzzled as to why Big was back at his old home and not in Mobotropolis, to which the cat was clueless. Nonetheless, Big was more than happy to help his friends locate Rotor, and ended up running into Rotor's attempt to stop a horde of Badniks. Ultimately, Big showed he still had a heroic bone in his body by fighting off Silver Sonic and protecting Sky Patrol, the cat opting to stick around afterwards. (StH: #253) He was later present on Sky Patrol when Sonic retrieved Amy Rose and Sally and had a front row seat to the destruction of the planet. (StH: #256)

With the Shattered World Crisis in full swing, Big aided the Freedom Fighters in rescuing people in the nearest location ravaged by the split: the disaster-prone Station Square, where he fished people out of the flooded streets and effortlessly tossed a car to one side to rescue people trapped in Twinkle Park. He subsequently took up residence aboard the Sky Patrol with his Team Rose teammates and the other Knothole Freedom Fighters, with the enlarged group setting out to restore their damaged world to normal. The old team would later be reformed as part of a training exercise, working together with Team Freedom and Team Fighters. Big remained on the Sky Patrol with Bunnie, Cream, Cheese, and Froggy while the other Freedom Fighters went on missions in Meropis and the Crystal Cave. Upon the return of the latter group with a Chaos Emerald, Big cautioned Froggy to stay away from it, remembering what happened during Froggy's last encounter with such a gem. During a later mission to recover a Chaos Emerald, Big was left behind on the Sky Patrol while most of the other Freedom Fighters were split into teams for the mission. However, when both Team Freedom and their backup squad of Team Fighters were caught in a trap set by Eggman, Big joined Cream, Cheese, Omochao, and T-Pup in flying in to rescue them. (StH: #257, #260, #262, #266, #267; SSD: #11)

Some time later, Big helped Rotor, Sally, and Tails defend the Sky Patrol from an attack by several of Dark Gaia's Minions, holding them off until the sun caused them to disappear. Shortly thereafter, the group was surprised by Nicole receiving a distress call from the Digital World, apparently sent by her creator Dr. Ellidy. As Nicole disappeared to investigate, Sally recruited Big and Tails to head to Dr. Ellidy's House on Isolated Island and find out exactly what was going on. During the flight, Big questioned whether Ellidy was Nicole's "daddy," which Sally admitted was as good a term as any for the scientist's relationship to their computer friend. The trio arrived on Isolated Island and were surprised to be greeted by several Badniks who made no moves to attack them, instead leading them to Ellidy's house. They arrived just in time to meet the returning Ellidy and Nicole, and the following day were shown Ellidy's latest discovery: the Red Star Ring. Big then joined Sally in going to investigate the island's Lake of Rings and its strangely unresponsive Badnik sentry, and along the way was questioned by the princess as to how he felt about Nicole. Big responded that he liked her, and didn't care about the fact that she wasn't a real living being. The pair soon arrived at the lake and retrieved a second Red Star Ring, but were then unexpectedly attacked by the Badnik sentry, whom Big handily dispatched. Returning to Ellidy's home, they gave him the ring and reported the incident before preparing to settle in for the night. (SU: #71, #72)

Tails and Big fighting Badniks

Big and Tails surrounded by Minions and Phage's Badniks.

Big was later awakened by an unpleasant development-Dark Gaia's Minions AND Ellidy's Badniks were attacking, the later under the control of the evil computer virus known as Phage. After trying to keep the attackers out of the house, Tails and Big were ordered by Sally to go recover a Chaos Emerald that Phage had discovered on the island to keep it out of her hands. Arriving at the Lake of Rings, the pair discovered that the lake was infested with Badniks, preventing them from swimming for it. Undaunted, Big employed his signature fishing abilities to pull the yellow gem out of the water with ease, much to Tails' surprise. Unfortunately, the pair were then forced to deal with an arriving force of Dark Gaia's Minions. Luckily, however, Nicole was successful in shutting Phage out of the digital world, allowing Eggman's robots to rise back to life and fight the monsters off for the heroes. The next day, Big and his comrades left the island to meet up with the rest of the Freedom Fighters in Apotos. They would later travel to Crystal Desert Zone in search of another Chaos Emerald, and succeeded in recovering the jewel and helping a G.U.N. unit that had been attacked by Metal Sonic. (SU: #73, #74, #75)

Worlds Unite

Big fights M'egga Man

Big fights M'egga Man.

Big and his friends were later called to Mobotropolis to answer the threat of an attacking M'egga Man. Big attempted to crush the invader under his massive bulk, but proved unable to stop the latest of the Roboticized Masters. Even the aid of Gemerl and Knuckles the Echidna failed to stop him, and he succeeded in activating one of the Unity Engines created on the orders of Sigma-1. This resulted in a fusion of Mobius and Earth 20XX, and the Freedom Fighters found themselves in an unlikely alliance with several Robot Masters, Team Sticks, and the Maverick Hunters. The force of heroes then boarded the Sky Patrol in order to challenge Sigma and halt his plans. They later faced his Mechaniloid army under the command of the Deadly Six, and Big fought against the robots and Zeti, teaming up with Gemerl to tackle Zomom. Unfortunately, the aliens then used their powers to force the robots and Bunnie to attack their friends, and Big found himself having to restrain his cyborg friend to help her resist their control. Fortunately, the villains were defeated and their puppets freed by Eggman and Dr. Wily. (StH: #273; SB: #9)

Regrettably, Big and his friends were then set upon by Sigma's Maverick army, who descended on the weary heroes in droves. After a brief struggle, in which Big fought against Tunnel Rhino, most of them departed for other worlds through Genesis Portals. A handful remained behind to finish them off, but were then engaged by a quartet of heroes who arrived from the Street Fighter Zone. They succeeded in dispatching the Mavericks, and then joined Big and the others in pursuing the rest of Sigma's army to other worlds. (MM: #51)

Back to Saving One World

Following Sigma's defeat, Big and his friends went back to trying to repair their shattered home. This involved searching for the Gaia Keys, whose Guardians were also being hunted by the Egg Army. Big soon joined Sonic and Antoine in traveling to Shamar, where they would team up with the Shamar Freedom Fighters. Big later went to Chun-Nan to recover another Gaia Key with the help of the Shijin Warriors. (StH: #278, #279, #281, #282)

Big later went with Cream and Tails to Castle Acorn. After stopping by at Cream's house, the three were accompanied by Gemerl, and Big stored a chest containing the Chaos Emeralds and Gaia Keys in a vault in the castle. (StH: #283)


Big is a kindly, relaxed individual who is incredibly loyal to his friends and quick to take action against any enemies. However, he is not highly aggressive, merely acting to defend others or prevent evil beings from causing harm. Big loves fishing, and is happier enjoying the serenity around a pond than he is going on adventures.


Big Throws Car

Big effortlessly moves a car.

Big is a massively strong being, capable of throwing heavy objects with ease or stopping such massive and powerful enemies as Silver Sonic. Like many other Mobians, Big can also use the Spin Dash technique, curling into a wheel and rolling across terrain. His particular version of it is quite devastating, as seen by how he crashed through the Mystic Ruins jungle while helping protect the Sky Patrol. Big is also a master fisherman, and has utilized this skill with some practicality in battle. (StH: #253)


Big is a very large and burly cat. The majority of his body fur consists of two shades of purple: light and dark. A striped pattern runs up his arms and tail. His feet are covered in dark purple fur up to his ankles as well as the outer tips of his ears, while his upper legs, back, and sides are covered in light purple fur. White fur covers his chest, torso, and inner ears. His eyes have yellow scleras with black irises. His preferred attire consists of tan gloves, sandals, and a matching belt with a gold buckle. He carries a fishing rod with him at all times.

Background Information

  • Big was not featured prominently in the Worlds Collide crossover event, but did make a couple of cameo appearances, the first being in SU #53, in which Eggman envisioned him and Cream as being among the residents of Mobius whom he would terrorize with the Wily Egg after appropriating it from Dr. Wily. MM #27-which featured Big's only actual appearance in the crossover-also featured Big in a "Short Circuits" panel, where he appeared as "Big Man", a failed concept for the Roboticized Masters.
  • Ian Flynn indicated in Q&A that Big, as evidenced by his hobby, likes to eat fish. [1]
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