Because of some Chad friends, I found this awesome website. Aegide is a random Pokémon fusion generator, where all you need to type in is the names of two Pokémon and you'll get two random fusions. Here's some of my favorites after scrolling around.

Infernape and Lucario

Aegislash and Zekrom

Garchomp and Spiritomb

Torterra and Empoleon

Dusknoir and PorygonZ

Tyranitar and Krookodile

Rayquaza and Gardevoir

Mewtwo and Rotom

Rapidash and Zoroark

Volcarona and Butterfree