Simpsons Funko Wacky Wobblers

In 2005, Funko released a set of Simpsons-based bobbleheads, called "Wacky Wobblers".

Series 1
Released in November 2005.

Series 2
Released in 2006.

Series 3
Released in 2007.

Series 4
Released in December 2007.

Specials
At the San Diego Comic Con 2007, variations of Bobble-head of Itchy and Scratchy (series 2) and Krusty (series 3) in a limited edition (240 copies of each, according to the packaging) were marketed: Itchy & Scratchy black and Krusty the colors "pop art" (Krusty figurines were sold in packs of 2, and there are 4 different colors).

Krusty Pop Art
Limited to 240 pieces.

Scratchy
Limited to 240 pieces.