Rabid Rebecca

 Rebecca Rancid a.k.a. Rabid Rebecca is the toughest babysitter in town, and is very strict. She once babysat Henry and Peter. She is 16 years old. Henry had a tough job getting rid of her. Her main appearence is in Horrid Henry and the Bogey Babysitter but she also makes appearances in Horrid Henry's Smelly Stuff, Horrid Henry's Haircut as a hairdresser and as Miss. Rancid, the substitute teacher in Horrid Henry and the Terrible Teacher. She makes cameo appearances in Horrid Henry and the Football Fiend in the audience at the match and in Horrid Henry and the Killer Boy Rats in the audience at Ed Banger's concert, where she is shocked when Henry steals the microphone and sings into it. In Horrid Henry Alone at Home, She made another cameo appearance when Mum called her to babysit Henry but she refused. In Horrid Henry's Big Breakfast, She watches Henry and his classmate singing on stage.

Appearence:
She appears to have a purple mullet and pale skin. She has green earrings, an orange, buttoned, shirt with a red-brown skirt and green stockings.

Trivia:

 * In Horrid Henry and the Bogey Babysitter she is shown to have Arachnophobia, whereas in Horrid Henry and the Terrible Teacher she isn't scared of them anymore but hates the song "Frere Jacques" and gets annoyed whenever she hears someone singing or humming it.
 * She is seen babysitting Henry and Peter in Horrid Henry's Smelly Stuff although she ran away when she saw the parents that had different coloured beards, despite their Mum and Dad saying they'd never have her to babysit again in Horrid Henry and the Bogey Babysitter.
 * Despite her mouth being closed, her teeth are always seen.
 * In Horrid Henry and the Bogey Babysitter, Henry describers her as 10 feet tall to the police.
 * She is studying to be a hairdresser.

How to get rid of babysitters

 * Say "No.".