People · Dossier
Active since 2002
CM
Callahan, Michael
Voice actor
1
Voice actor · 1 role across their career. Best known for Masaaki Ooyama in Azumanga Daioh: The Animation.
Derived from credit data — not curated copy
2002 – 2002
1 year active
1
Characters voiced
Best known for · Voice role
Supporting
2002
Masaaki Ooyama
as Supporting in Azumanga Daioh: The Animation
Voice role split
0
main
1
supporting