|The World's Oldest Woman|
|First appearance||"Davey Omelette"|
|Voiced by||Tress MacNeille|
The World's Oldest Woman, or WOW for short, is one of four hosts characters on Histeria!
She is also the kids' teacher at William Howard Taft Big Around the Middle School since 1998 to 2001. In the opening credits, the always said "Wolrd's Oldest Women chases the host" meaning that she's a bit man-crazy.
- World Oldest Women did appears in a Chicken Boo cartoon entitled "Davey Omelette. but she didn't had a name.
- Because the show is about history through time, WOW represent women of the past who knew the famous historical people.