I have three Pokémon who won't evolve no matter how much I try.

[Mario Sports Mix]

My Electrode won't evolve into Raikou, my Rapidash won't evolve into Entei and my Golduck won't evolve into Suicune. Somebody evolved their Delibird into Articuno, so it should be possible!

http://i.imgur.com/7s79rqf.png