Like various media franchises, relationship has been since the begining an essential aspect in the Collin the Speedy Boy franchise in order to develop the characters.

The characters of Collin Universe are in the main section of the headings due to them appearing in the CTSB universe.

Friendship/best friendsEdit

  • Collin and Tommy
  • Collin and Wesley/The WesDragon
  • Collin and Trent
  • Collin and Cooper (owner/pet)
  • Collin and Stacie
  • Collin and Elisha
  • Collin and Mattie Gargis
  • Collin and Jaidyn Quillen
  • Tommy and Rolly
  • Eli and Fang Suckle
  • Goof and Flappy
  • Gurkha and Sharp

Crossover friendship/best friendsEdit

  • Collin and Bugs Bunny
  • Collin and Buster Bunny
  • Collin and Yakko Warner
  • Collin and Wakko Warner
  • Collin and Speedy Gonzales
  • Collin and the Road Runner
  • Collin and Lego
  • Collin and Bunnicula
  • Collin and Yogi Bear
  • Collin and Jessíca Paintínez/Bailey Paintowski
  • Collin and Shaggy Rogers
  • Collin and Fred Flintstone
  • Collin and Collin (Face Paint)
  • Collin and Agent Foxy
  • Collin and Sonic the Hedgehog
  • Collin and Knuckles the Echidna
  • Collin and Spike
  • Cooper and Lego
  • Cooper and Scooby-Doo
  • Cooper and Astro
  • Cooper and Dog
  • Evelynn and Bugs Bunny
  • Evelynn and Lola Bunny
  • Flappy and Porky Pig
  • Flappy and Boo-Boo Bear
  • Handy and Miles "Tails" Prower
  • Handy and Rotor the Walrus
  • Jasmine and Lola Bunny
  • Jasmine and Daphne Blake
  • Jasmine and Penelope Pitstop
  • Nancy and Miles "Tails" Prower
  • Baylee and Babs Bunny
  • Baylee and Dot Warner
  • Baylee and Mattie (TPAoL)
  • Baylee and Bubbles
  • Baylee and Amy Rose
  • Baylee and Sally Acorn
  • Kerigan and Velma Dinkley
  • Kerigan and Twilight Sparkle


  • Evelynn and Jasmine

Crossover rivalry/frenemyshipEdit

  • Collin and Daffy Duck
  • Collin and Plucky Duck
  • Collin and Elmer Fudd
  • Collin and Marvin the Martian
  • Collin and Aku
  • Collin and the Flash
  • Collin and Shadow the Hedgehog
  • Collin and Rainbow Dash
  • Collin and Applejack
  • Collin and Discord
  • Cooper and Sylvester Pussycat
  • Cooper and Elmer Fudd
  • Flappy and Sylvester Pussycat
  • Handy and Wile E. Coyote
  • Nancy and Wile E. Coyote
  • Kerigan and Daffy Duck
  • Kerigan and Wile E. Coyote


  • Collin and Bryte
  • Elisha and Sir Victor "Aku"
  • Sharp and Scott
  • Collin and Jaidyn (formerly if you choose to forgive her)
  • Jaidyn and Ziles
  • Collin and Ziles
  • Collin and Mattie (film series only, formerly)

Crossover enemyshipEdit

  • Collin and Yosemite Sam
  • Collin and the Brain
  • Collin and Dick Dastardly
  • Collin and Dr. Squidbad
  • Collin and Mojo Jojo
  • Collin and Dr. Eggman
  • Collin and Nightmare Moon
  • Collin and Erim Evilman
  • Cooper and K-9
  • Cooper and Velcro
  • Cooper and Stella
  • Cooper and Muttley
  • Bryte and Bugs Bunny
  • Bryte and Daffy Duck
  • Bryte and Sylvester Pussycat
  • Bryte and the Tasmanian Devil
  • Bryte and Rita
  • Bryte and Blaze the Cat



  • Collin and Jasmine (formerly; sadly broken up in 2013, but still remained as friends until Jasmine's removal)
  • Collin and Evelynn (currently)
  • Stacie and Austin
  • Fang Suckle and Kelli
  • Harper and Flappy


  • Collin and Nancy (canon in some media)
  • Collin and Baylee (canon in some media)
  • Collin and Lagan (one-sided on Lagan's side, canon in some media)
  • Collin and Elisha
  • Collin and Catlin
  • Collin and Stacie
  • Collin and Jaidyn
  • Tommy and Sue
  • Nancy and Aaron
  • Jasmine and Baylee (LGBT)
  • Goof and Ice
  • Flappy and Fashion
  • Bryte and Eli
  • Bryte and Fang Suckle
  • Scott and Harper
  • Legendary and Rachel

Crossover romanceEdit

  • Alexis Doll / Burn and Sonic the Hedgehog