|Relatives|| Ben Tennyson (grandson)|
Gwen Tennyson (granddaughter)
|Alias||Grandpa Max (Ben and Gwen)|
|Voice Actor||David Kaye|
Max has grey and white hair, and has brown eyes. He wears a white shirt with a red Hawaiian shirt with orange clovers on top, and has a brown jacket on top of it all. He wears blue jeans and brown shoes. He has a brown and gold watch on his right arm.
Max cares about his grand kids, and is usually not too strict with them. He teaches them things a normal parent would teach. He is usually on Gwen's side when Ben and Gwen fight.