Wattson

Wattson is the Electric-type Gym Leader of Mauville City in the Hoenn region, appearing in the Pokémon anime during the Advanced Generation series (Ruby and Sapphire arc).

He's portrayed as a short, chubby elderly man with white hair that sticks up, a white beard, and a constant cheerful expression—he's almost always laughing heartily (often with his signature "Wahahaha!" laugh). His outfit includes a yellow jumpsuit over a brown shirt featuring thunderbolt designs on the sleeves, along with black shoes.

Personality-wise, Wattson is extremely jovial, energetic, and good-natured, with a big love for practical jokes and traps in his Gym (like electrified doors and roller-coaster-like rides). He enjoys electrifying battles and has a playful, trickster side, but he's also honorable and kindhearted—he cares deeply about Pokémon and even lets trainers keep their earned badges under special circumstances (like when Ash valiantly fought Team Rocket after their Gym battle). He can get temporarily down if things don't go as expected, but he bounces back quickly thanks to his optimistic nature.

Overall, he's one of the more lighthearted and fun Gym Leaders Ash faces in Hoenn, emphasizing cheerfulness and electricity-themed antics.