Jet (Sonic the Hedgehog)

''Super Smash Bros. Brawl
Jet's only appearance is that of a trophy and sticker.

''Mario & Sonic at the Olympic Games
Jet the Hawk was originally supposed to appear in Mario & Sonic at the Olympic Games, but doesn't appear in the final version. A beta file of Jet was found on the European version.

''Mario & Sonic at the Olympic Winter Games
Jet the Hawk appears as a rival in both Festival Mode and Adventure Tours in Mario & Sonic at the Olympic Winter Games. In the Wii version, he is the rival of Snowboard Cross. In the Nintendo DS version, he is the rival of Deluxe Halfpipe.

''Mario & Sonic at the London 2012 Olympic Games
Jet will be appearing in Mario & Sonic at the London 2012 Olympic Games as a non-playable character again. While it's unknown what his role is for this game, what is known is that he'll be one of the various characters that players can speak to and a rival in the Dream Discus event. If you have enough points, you'll be awarded with a sticker.