Sam Sinister

Lord Sam Sinister is the arch enemy of Johnny Thunder. He competes with him for ancient artifacts and treasures, as well as trying to capture dinosaurs.

History
Sam Sinister was encountered by The Brickster, who needed someone to keep a page of the Constructopedia safe. Sam agreed to keep it safe and kept it with him. Pepper Roni however, came and started to rescue the dinos he captured. Sam tried to stop him by riding on a brontosaurus that shot fire, but Pepper dropped sandbags on him, and he dropped his page.

Personality
He is mean.