What does DERF stand for?

DERF stands for "John Backderf, Artist"

How to abbreviate "John Backderf, Artist"?

"John Backderf, Artist" can be abbreviated as DERF

What is the meaning of DERF abbreviation?

The meaning of DERF abbreviation is "John Backderf, Artist"

What does DERF mean?

DERF as abbreviation means "John Backderf, Artist"