Sinister Clyde is a antagonist in the KND: Undercover. He is a sinister gangster. He is more nastier than Victor Von Victor and Randall Maul. He will be voiced by Jack Black.
- He is sneaky, sinister and insane.
- He is tall and skinny, light skin, spikey black hair, thin mustache, eyebrows and black striped suit, long cape, large fedora, sunglasses with green lens, black shirt, necktie, gloves and spats on his shoes.
- He might be parody of Megalomax from Playmobil Top Agents.
- He is a playable character. To unlock him, after complete the level 17.
- He hates Sector V.