Captain Jelly is a candy-themed robot pirate created by Doctor Eggman and is the Sweet Mountain boss in Sonic Colors. It resembles a pirate with a lollipop as his "sword".

When Sonic arrives to free Sweet Mountain from Eggman's control, Captain Jelly arrives to stop him with his massive flying battle ship. However Jelly and his crew are no match for Sonic who easily defeats them and blows up their ship.