The Monster was a disguise possibly worn by Don Welker or Velma Dinkley.
Physical appearance[]
It's a tall, broad built monster with green skin, yellow sclera eyes and short black hair. It wore a light green jacket over a yellow shirt with a large black collar.
Personality[]
It was silent and had a mean expression.
History[]
Scooby-Doo! 50th Anniversary Giant[]
The monster unexpectedly showed up out of nowhere when Shaggy tried to lighten the mood with a joke, scaring everyone into running down the hall and crash into Fred, but when he explained about their encounter, Velma showed up and said she saw no sign of it.
Appearances[]
- Scooby-Doo! 50th Anniversary Giant
- #1. Snack Attacked! (no lines)
Trivia[]
- The monster wasn't explained about or made any mention to be a part of the birthday plan setup.