Mr. Peterson (Trading Chases)


 * For the A Pup Named Scooby-Doo character with the same name, look here.

Mr. Peterson is a 3rd grade teacher.

Physical appearance
Mr. Peterson is old, with balding gray hair.

Personality
His disapproval of young Jeff's desire to climb Mount Everest's imaginary, invisible twin, caused the grown Jeff to harbor resentment towards him.

Early life
Jeff carried around his 3rd grade photo around, with Peterson in it.

Be Cool, Scooby-Doo!
Once Professor Salasar was caught, Jeff was allowed to explain what she had been doing, but he had said some highly unrealistic scheme that ended with Jeff believing that she was actually his teacher in disguise.

Appearances

 * Be Cool, Scooby-Doo!
 * 106. (photo)