King Bomb-omb is the king of the bomb-ombs and Bowser's ally. He appears as the first boss in Super Mario 64. Holding a power-star he won't give up without a fight. I really liked this boss battle despite it's simplicity.
I'm suprised we don't see him in any more main games, just spin-offs.
I honestly don't remember him being in Mario Kart DS. That boss battle mode was garbage.