Hi am new to this forum and i'd like to suggest you to add "Light Grenade". One of piccolos strongest and probably coolest skills/moves/attacks. He probably used it only once and that's in this episode of Dragon Ball Z:
I DO NOT OWN DRAGONBALL...
Wow. They keep coming up with the greatest weapons ever. They've got the Crowbar, Gravity Gun, and Portal Gun. I hope this grenade shows up in a future episode.