Kerrigan
Kerrigan (Japanese: ?? Kawada) is a character of the day from the episode Duels of the Jungle. He is part of the Wilderness Guard Core and explained to Ash and the gang that the stray Weavile that attacked them was once part of the group of Sneasel and Weavile.
He also helped heal Aipom after Aipom battled with the Weavile. Unlike most other characters of the day, he didn't have any known Pokémon with him.
His japanese voice actor is Kenta Miyake.