Zachary Aguilar is an American voice actor who works for Bang Zoom! Entertainment, FUNimation Entertainment/Crunchyroll, Sound Cadence Studios, Studio Nano, VSI Los Angeles and NYAV Post. He is known for voicing Genos in One Punch Man, Sieg in Fate/Apocrypha, Slaine Troyard in Aldnoah.Zero, Otto Suwen in Re:ZERO -Starting Life in Another World-, David Martinez in Cyberpunk: Edgerunners, Koichi Hirose in JoJo's Bizarre Adventure: Diamond is Unbreakable, Tanjiro Kamado in Demon Slayer: Kimetsu no Yaiba and Nasa Yuzaki in TONIKAWA: Over the Moon for You.