The Ghost of Zen Tuo
Appearances: Mystery Mask Mix-Up
True Identity: Mr. Fong
Motive: To scare away people that were curious about the haunted Buddhist temple.

Zen-Tuo apparently a Chinese spirit who was similar to Ivan the Terrible. He killed two messengers. He died later. They all rose from the dead and searched for a Chinese mask to cover Zentuo's hideous face. Later, he turned out to be a story teller who had hired henchmen.Mr. Fong disguised as the ghost of Zen-Tuo, and sent the 2 henchmen (Masked Zombies) to steal a mask that contains a diamond.

He later apears in scooby doo unmasked as the villan in the first world shudery showdown in china town he controlls a huge dragon