Yosaku

Sylvester's father is a character appearing in Pokémon: The Johto Journeys.

Season 3: The Johto Journeys
Sylvester's father sent his son to cut some wood to make charcoal. When Sylvester returned to tell his father about the failure, father was disgusted and sent Sylvester searching for Farfetch'd. Sylvester returned with Farfetch'd and the wood, so his father praised him and gave the heroes some charcoal for helping his son.