Laurence Wainright

From Ben10versepedia

Laurence Wainright is a gentleman with brown hair, a moustache, and wears blue clothing. In addition, he was the owner of a fairly expensive RV which was targeted by robbers. When they changed targets and took the Rust Bucket instead, Ben and the rest of the Tennysons grabbed his RV in order to get back Max's RV it. Laurence was first seen in "Ben 4 Good Buddy".