
Quick answer — Kei Minegishi voices Theo Jussila in Macross Delta, Xao Jussila in Macross Delta, Dadan Tadan in Boku no Hero Academia: Training of the Dead.
Kei Minegishi voices Theo Jussila (Macross Delta), Xao Jussila (Macross Delta), Dadan Tadan (Boku no Hero Academia: Training of the Dead).
Theo Jussila is voiced in Japanese by Kei Minegishi.