20120114192025!Suddenly Suzy
Suzy Johnson 
is a recurring antagonist but protagonist of Phineas and Ferb and Jeremy's younger sister. She acts nice whenever the rest of her family is looking, but is cruel to Candace when no one is looking.

Counterparts (Girl Version)

Counterparts (Boy Version)

  • Diesel (Thomas the Tank Engine and Friends)
  • Bowser (Super Mario Bros.)
  • Dr. Robotnik (Sonic the Hedgehog)
  • Scott Tenorman or Eric Cartman (South Park)
  • The Weasel (Garfield and Friends)
  • Montana Max (Tiny Toon Adventures)
  • Elmer Fudd or Yosemite Sam (Looney Tunes)
  • Stewie Griffin (Family Guy)
  • Sheldon J. Plankton or Gary (SpongeBob SquarePants)
  • Meowth (Pokemon)
  • Fidget the Bat (The Great Mouse Detective)
  • Escargoon (Kirby)
  • Mortimer Mouse (Mickey Mouse)
  • Wolf O'Donnel (Star Fox)
  • Justin, Duncan, Scott or Topher (Total Drama) 
  • Rampage (Beast Wars)
  • Ricky Tricky (Skipper and Skeeto)
  • Tito Dickman (The Nutshack)