[Bart is dressing up Santa's Little Helper for the ugliest dog contest]
Homer Simpson : Not ugly enough. I want him to look like this...
[Holds up Weekly World News with Bat Boy on the cover]
Bart Simpson : Ay caramba!
Homer Simpson : ...had a baby with this...
[shows picture of Mr. Burns]
Homer Simpson : ... and got sat on by this.
[Shows picture of Patty]
Bart Simpson : How about this?
[Draws picture and shows it to Homer]
Homer Simpson : Oh... my... God! Bart, you never fail to disgust me.
Bart Simpson : Just call me Barf Simpson.
Homer Simpson : I wanted to, but your mother thought kids would laugh at you.