Magister of Earth
|Abilities|| Advanced Technology and Alien knowledge|
|Relatives|| Verdona Tennyson (wife)|
Carl Tennyson (son)
Frank Tennyson (son)
Sandra Tennyson (daughter-in-law)
Natalie Tennyson (daughter-in-law)
Kenneth Tennyson (grandson)
Ben Tennyson (grandson)
|Alias|| Grandpa (Ben, Gwen and Ken)|
Grandpa Max (Ben, Gwen and Ken)
Magister Tennyson (Plumbers)
|Alternate Counterparts||Max Tennyson (Timeline 88)|
|Voice Actor||Paul Eiding|
Magister Maxwell "Max" Tennyson, or Grandpa Max as his grandchildren call him, is the paternal grandfather of Ben, Gwen, and Ken, as well as the father of Carl Tennyson and Frank Tennyson. in Ben 10: Protector of the Omniverse. He is the Timeline 1 equivalent of the canon Max.
He has his Alien Force/Ultimate Alien appearance, but his flower-like designs are yellow and black, in the style of sunflowers.
He retains his Omniverse personality.
Powers and Abilities
Although Max doesn't have any super powers, he is very skilled in combat and can take on anyone who does have them as he is quite athletic for someone of his age. As a retired Plumber, he has access to a variety of various Plumber tools and weaponry, which he uses skillfully. Aside from that, his experience from his Plumber days made him knowledgeable on various species of aliens. He is also able to strategize well and is skilled in inventing new machines. He is telepathically connected to his lover, Verdona.
Before joining the Plumbers, Max was a United States Air Force pilot, with dreams of joining NASA and going to the moon. He is an expert in flying aircrafts.
He has the same weaknesses as before.
In Change, it is revealed that he now owns a diner. Ben, Gwen and Kevin meet up there for dinner. When Myaxx sends a distress call to ask Gwen and Kevin to come to Galvan Mark II because Azmuth is missing, he tries to persuade Ben to go along.
- Change (first reappearance)