When you hear this word you think of Goku or one of the z warriors doing the very well known attack but you must wonder "how the heck did he come up with that name" well I have the answer for you my friends the creator of dragonball was thinking of a name for the famous attack that is used quite frequently and packs a nice punch and he heard of a Hawaii king ,king Kamehameha. Yes its true King Kamehameha was a nice person and fought for the rights and freedoms of the Hawaiian citizens and his last name is recited in DB, DBZ, and DBGT all the time and by people everywhere.