Three times married, Denver left two sons, and had another son, named Karl, who predeceased him.

In Sweden, people named Karl are commonly nicknamed Kalle.

He has a pet wolf named Karl.

He was worried about supporting his son, now 10 years old, also named Karl but called Tuffy Jr., so he forced himself to adapt.

His lieutenant was a blond Teutonic-looking guy named Karl.

After working at the radio station for a while, Nora begins dating a radio psychologist named Karl.

Nora also starts a relationship with a radio psychologist named Karl.

Homer grows hair, and is given a rank up at work which allows him to hire a secretary named Karl.

She was on a mission with a man named Karl and they had to split up to evade pursuit.