Brook

Apollo Genesis

アポロ・ジェネシス
Apollo Genesis is the heir to a successful American business company, and is traveling the world before being instated as the head of the company. He meets his Mamodo Rops on the way and they begin traveling together and defeating Mamodos when challenged. When traveling to Japan, the pair battle and befriend Gash Bell and Kiyomaro before leaving. (Source: Zatch Bell! Wiki, edited)