Michael Sinterniklaas is a Los Angeles based voice actor for various Pokémon media, originally joining in Season 5 of Pokémon the Series' English dub. He left The Series after Season 8, when the series was recast, but would appear later in Pokémon Origins. Originally born in Nice, France, Michael is best known for being the original voice of Jessie's Seviper. He owns a dubbing studio in New York City called NYAV Post.
His official Twitter is @MSinter.