Here is a list of rivalries that i think is pretty great and i want your opinion on them or you can make one of your own.
Friendly Rivalries:
Peter Pan/Jack Sparrow
Merida/Baloo
Merlin/Hiro Hamada
Powerline/Miguel
Tigger/Stitch
Robin Hood/Aladdin
Jack Skellington/Sulley and Boo
Donald Duck/Moana
Darkwing Duck/Gizmoduck
Baloo/Timon and Pumbaa
Basil of Baker Street/Judy Hopps
Cheshire Cat/Nick Wilde
Maximus/Aladdin
Arch Nemesis:
Jack Skellington/Oogie Boogie
Aladdin/Jafar (thank you @Rothan_Edentide)
Merlin/Madam Mim
Hercules/Hades
Madam Mim/Maui
Scrooge McDuck/Magica De Spell
Sulley and Boo/Randall Boggs
Mickey Mouse/Maleficent
The Beast/Gaston
Hades/Elsa
Scar/Merida
Captain Hook/Moana
Merida/The Queen of Hearts
Mulan/Shan Yu
Jack Sparrow/Davy Jones
Davy Jones/Peter Pan
Oogie Boogie/Alice
Miss Piggy/The Evil Queen
Randall Boggs/Jack Skellington
Maui/Davy Jones
Arch-Rivals
Maleficent/The Evil Queen
Madam Mim/Maleficent
Jafar/Maleficent
Hades/Davy Jones
The Queen of Hearts/Oogie Boogie
If you have no idea what the heck i am talking about. Follow the link below