Crazy Hatter is a antagonist from the "The New Adventures of Nigel". Nigel grabbed him and throw Hatter in the mountain before dies. He was voiced by Jason Segel.
- He has a messy blonde hair, blue eyes and wears very large green top hat, shirt, huge red bowtie, blue vest, green coat, converse, orange gloves, purple jeans and pocket watch.
- He is parody of a Mad Hatter from Batman comics.