Flavio Hippo is the blue male half of the Hip Hippos.
He is voiced by Frank Welker.
Animaniacs Stew (Episode)
Episode 13: Hello Nice Warners/La Behemoth/Little Old Slappy from Pasadena
Episode 19: Meatballs or Consequences/A Moving Experience
Episode 25: Disasterpiece Theatre/Hercule Yakko/Home on De-Nile/A Midsummer Night's Dream
Episode 33: Cartoons in Wakko's Body/Noah's Lark/The Big Kiss/Hiccup
Episode 35: Very Special Opening/In the Garden of Mindy/No Place Like Homeless/Katie Ka-Boo/Baghdad Café
Episode 42: Animator's Alley/Can't Buy a Thrill/Hollywoodchuck
Episode 50: Twas the Day Before Christmas/Jingle Boo/The Great Wakkorotti: The Holiday Concert/Toy Shop Terror/Yakko's Universe
Episode 80: Dot's Entertainment/The Girl with the Googily Goop/Gunga Dot
Episode 88: Papers for Papa/Amazing Gladiators/Pinky and the Ralph
Episode 90: Pitter Patter of Little Feet/Mindy in Wonderland/Ralph's Wedding
Episode 99: Birds on a Wire/The Scoring Session/The Animaniacs Suite