
Quick answer — Toshiki Watanabe voices Tatsu in The Ramparts of Ice, Youta no Chichi in The Ramparts of Ice, Edgar Redmond in Black Butler: Public School Arc.
Toshiki Watanabe voices Tatsu (The Ramparts of Ice), Youta no Chichi (The Ramparts of Ice), Edgar Redmond (Black Butler: Public School Arc).
Tatsu is voiced in Japanese by Toshiki Watanabe.