Neko Majin is the main protagonist to Akira Toriyama's one-shot manga Neko Majin. He is a cat who lives out in the country with his fish Yamada Haruo and charges people 100 yen for almost anything. He has an attack called NekoHameHa which is a parody of the Kamehameha. He is also a student of Goku. From Dragon Ball Wiki, a Wikia wiki.