Taizo Hori (also known as Dig-Dug) is the main protagonist in the Dig-Dug series and the father of Susumu Hori and Ataru Hori in the Mr. Driller series. He had rid the land of of Pookas and Flygars during the events of Dig-Dug. He teams up with his boys, Puchi & Anna Hottenmeyer to bury the blocks in various areas set by the Undergrounders and is married to Toby "Kissy" Masuyo of Baraduke fame.
- He's the only Mr. Driller character who had appeared in "Wreck-it Ralph".
- Taizo also made a cameo in the end credits of the Bravoman web series on a Dig Dug picture. He also had a cameo in episode 3 as one of Bravoman's lawn ordiments.
- He had numorous changes in charater design.