the strongest pokemon trainer in the world with his level 88 Pikachu and his level 84 Charizard, Blastoise and Venusaur, level 82 Snorlax and a level 80 Lapras. he is undefeated and all Gold and Cynthia fanboys/girls can go fuck themselves.
Usually hired by busy celebrities, a beta trainer will train beta fish so that their owners can save the time. A beta can not be trained to live forever.