Jet Grind Radio Codes -

Play as D.J. K:
Choose Pirahna and press A, Y, X(2), B, Y while she is dancing.

Play as: Captain Onisima:
Choose Tab and press A, Y, X(2), B, Y while he is dancing.

Love Shockers gang:
Successfully complete all Shibuya-cho levels with a Jet rank.

Noise Tank gang:
Successfully complete all Benten-cho levels with a Jet rank.

Poison Jam gang:
Successfully complete all Kogane-cho levels with a Jet rank.

Goji Rokkaku:
Unlock the Love Shockers, Noise Tank, and Poison Jam gangs, then successfully complete all the Grind City levels with a Jet rank.

Pots (the Dog):
First, unlock all the bonus characters (Noise Tanks, Poison Jam, Love Shockers, and Goji). After completing the game, play the "Monster of Kogane" level before "Benten Boogie". After completing those levels, a Noise Tank will challenge you after Chapter 2. Defeat the Noise Tank Challenge and you can play as Pots.

Skate backward:
Press Down, Up while skating.