Chi-chi is a playable character in the game"blast storm".You can unlock her by a shenron wish.
STAY AWAY FROM ME
Chi-chi grabs the blade in her hat and throws at the opponent.It hit the opponent two times.
THAT WON'T WORK
Chi-chi uses her hat to launch a energy wave
If the enemy attack you,you evades,kick his face and throw the blade in your hat,that when returns to you hits the enemy.
SAVE ME GOKU
Chi-chi kicks the opponent,then Kid Goku appears and attack him.Chi-chi throw her blade,that hit the enemy two times,then Goku kicks the opponent and Chi-chi launchs a energy wave.