Roger

Roger is Mandy's older brother. He was first seen in "Bikini Bottom's Next Top Chef" in a flashback cooking with Mandy. He was shown to not really like Mandy and enjoys annoying her like most big brothers do. Not much else is known about him

Trivia

 * He did not appear in the episode Mandy even though Mandy's mom did. It is unknown why he didn't appear.