Hes a Bugtrainer
Hes the easiest trainer to beat!
Very easy to beat. You can do training on him and boost your pokemon's Exp. He has a Caterpie and Weedle both level 5.
You can battle him
Get a level 8+ pokemon or have a fire type Pokemon use a Fire type attack. Be careful of Weedle's Poison Sting, as it can poison with use, even to Poison type Pokemon, which is another error in the game.