Biography
No biography has been written for this character yet.
Appearances
Mister X FAQ
What anime is Mister X from?
Mister X is a character in Tiger Mask.
What is Mister X's Japanese name?
Mister X is written ミスターＸ in Japanese.
Where can I watch Mister X?
Open the Tiger Mask page for licensed streaming links and the full episode list.