|This needs a stretch.|
* Physical appearance; clothing.
* History is incomplete.
Professor Marsden is a chemistry teacher at Hillside High School.
He is a Caucasian male with brown hair.
He disapproved of the students having any fun.
The New Scooby and Scrappy Doo Show
He was pleased when the dance was cancelled because of the Creature from Chem Lab. For a while he was suspected, but he turned out to be innocent.