The Pigeon-Rat was a creation by Hugo, who is Bart's evil twin brother. He created it by sewing the back of a pigeon to the back of a rat. The "Pigeon-Rat" attempted to fly, but the weight of the rat pulled it down. The rat tried to run into a mouse hole, but the extra height from the pigeon prevented it from doing so. It was only an experiment practiced by Hugo so it would be safer when he planned to sew him and Bart together.
Appearances
- THOH ā "Treehouse of Horror VII"