Goku's Kamehameha!

Goku's real power is in his blaster Kamekameha!
The Kamehameha (かめはめ 波 は , Kamehameha) is the first energy attack shown in the Dragon Ball series. The Kamehameha is the most widely used finishing attack in the Dragon Ball series, and is Goku's signature technique. It is also a signature attack of the students of the Turtle School.