Chuck can refer to:
- Sir Charles Hedgehog - Sonic the Hedgehog's uncle in the Archie Comics
- Sir Charles Hedgehog (SatAM) - Sonic the Hedgehog's uncle in the Sonic the Hedgehog TV series.
- Chuck (Sonic Underground) - Sonic the Hedgehog's adoptive uncle in the Sonic Underground TV series.
- Chuck Thorndyke - Christopher Thorndyke's grandfather from Sonic X.
Both have the official name of Charles and are expert mechanics.