Henry Armadillo is a Scotch-Irish, American, Nine-Banded Armadillo. He is a socially insecure, stereotypical geek, who can't make friends and is the fauna punching bag of even the weakest students at Charles Darwin Middle School. He is voiced by Tom Kenny.
Henry is a little, grayish tan armadillo, who wears thick, unframed glasses which magnify his eyes so that they're seen as giant black pupils. This is his only clothing garment. He speaks with a Texan accent.
Henry is a geeky, socially awkward weirdo, who's constantly mentioned having no friends. He's the school's biggest victim of bullying, abuse, and torture, arguably being the only student with a worse school life than Adam's. He's also been the lackey of anyone who wants to control him. The only thing he'd ever refuse is asking for directions, as seen in "The Big Field Trip Part 1", claiming it's "demeaning to his animalhood". His lack of free-will and role as pushover at CDMS, comes from him being the nicest and most innocent student there, with absolutely no means of aggression or self defense. In "Oh, Henry!", he said he liked being the victim of bullying and attacks, because that's what makes him feel included.
The Armadillo Family was indigenous to Texas, before Mr. and Mrs. Armadillo went on vacation and got lost on their way back, ending up in Greenland. That's where their son, Henry Armadillo was born. Henry was still raised in the good ol' Texan way, but there was no denying that he came from Greenland. He used to go to a Greenlandian animal school, before signing up for a foreign exchange program with Alistair White Tiger. After this, Henry was transferred to Charles Darwin Middle School, an American animal school in Glendale, California and he's been there ever since. (Oh, Henry!)