Here's the card I made for Dad this year. Dad has had this tendency to doodle Fred Flintstone's head on things ( i.e. paper plates, scraps of paper, taco shells... ) . I always found it amusing. Now, 31 years later, it has become card-idea fodder. Foof though, he doesn't seem to think too much about Fred.
I found out that I have neon colored pencils which is why all the Freds look like Skittles and/or Starburst fruit chews.
Also, the Freds are based on the way Dad draws him. I didn't use and actual Hanna Barbara reference to draw them.