Marvin Lowe, who is nicknamed "Marv", is 11 years old with brown hair and freckles. He was born in November 12 1992. He has a younger brother called Morten Lowe and an older brother, Marty. His best friend is Charlie Sonner who has the same age as him. He lives near Charlie and Lola. He and Charlie always play together because they're best friends. He is also friends with cousin, Jack. He has a dog named Sizzles and a mouse named Squeak. He loves pirates and aliens.
- Eliot Carrington voices Marv (Charlie’s best friend).