Talk:Knuckles VS Donkey Kong/@comment-25182985-20150729042208/@comment-26134339-20150729051446

If lots of people suggest an idea over others using the same character that would be a rivalry

rivalry: competition for the same objective or for the superiority in the same field

Techniquely all DB's are rivalries.

Even using your definition of rivalry Pikachu vs Agumon didn't happen