Shadow came across Lyric the Last Ancient during the latter's search for the Lost Crystal of Power, and sensing Lyric's evil intentions confronted him. Lyric decided that Shadow would make an excellent servant, but when Shadow refused to work with him, Lyric placed a mind control device on him. (SCDC)
Shadow is arrogant and proud, but with a strong sense of justice.
Due to SEGA restrictions, Shadow did not appear in any issues of the official Archie Sonic Boom comic series.