Tommy Fuller was D.J.'s husband and worked in the fire department. In the episode "Our Very First Show, Again", it is revealed Tommy passed away in the line of duty. It is told by D.J. that Tommy loved being a firefighter, and that he died doing what he loved: saving lives.
In the episode "Secrets, Lies and Firetrucks", Tommy can be seen in a picture Max shows his friends. Tommy was sitting in a fire truck and Jackson was sitting next to him. Due to all this, Tommy is one of the mystery characters in Fuller House.
- D.J. Tanner-Fuller (wife)
- Jackson Fuller (son)
- Max Fuller (son)
- Tommy Fuller, Jr. (son)
- Danny Tanner (father-in-law)
- Stephanie Tanner (sister-in-law)
- Michelle Tanner (sister-in-law)
- Jesse Katsopolis (uncle-in-law)
- Rebecca Donaldson-Katsopolis (aunt-in-law)