Boris The Teeth Guy

"' Wait, what! Did you say Boris?'"- Boris The Teeth Guy saying a question to Caillou.Boris The Teeth Guy is the alter-ego of Boris except with red skin. He is the main antagonist in Episode 13, and one of the secondary antagonists in Caillou's Ungrounding Story. He is also the main antagonist in Episode 14 and Episode 15. He will return as the secondary antagonist in Caillou's Second Ungrounding Story.