|This needs a stretch. (Feel free to remove when satisfied of completion.)|
* Physical appearance.
* History is incomplete.
Karl is an adult Caucasian male who has a muscular build and short blonde hair. He wears a gray collared sweater with an orange ascot like his nephew.
Insert details here.
What's New, Scooby-Doo?
- It's never explained which side of the family Karl is on.