Pop Pop is Hanks father and married to Nana Thunderman. He and hank have the powers - Supersonic Flight and Superhuman Strength. His superhero name is Sergeant Thunder. He also has a technique called Drop the Thunder when he uses it blue energy comes down from they sky and creates a thunder sound effect when it hits the ground. He can change from his civilize clothes to his Super Suit in second. Pop-Pop also has a device called the Detention Zone Transfer that sends villains to Detention Zone.