Susumu Hori is the main protagonist in the Mr. Driller series. He is the son of Taizo Hori (a.k.a. Dig Dig). He is also the young brother of Ataru Hori and the rival of Anna Hottenmeyer. He teams up with his friends and family (with the exeption of the 2 others) help out to drill the blocks in various areas in the world.
Pac-Man World Rally
Susumu appeared as an unlockable character in the PSP version of Pac-Man World Rally. He rides on a drill bike with his dog Puchi on the side cart.
- Lil' Rob (Wild Grinders)-Both are brown-haired protagonist who are rivals with a blonde female.
- Dinky Doo (My Little Pony: Friendship is Magic)-Both have connections to related characters.
- Helga (Ape Escape)-Both are Brown-haired protagonist with cute appearances
- Corey Riffin (Grojband)-Both are main protagonist who are rivals with females (who ever Corey's rival is Grojband's main antagonist, Trina Riffin).
- Bomberman-Both are video game protagonist who are popular in Japan.
- Susumu and Anna are suggested to be newcomers in Super Smash Brother 4.
- Susumu's birthday is March 3, 1987
- Susumu shares the same voice actor as Anna and Puchi.