I don't have a waifu, I'm afraid. However...

What would the word for the male equivalent be? Husbando, husbandu, something like that?

I've got one of those: Dorian, from Dragon Age Inquisition. He's dashing, witty, has cool hair and is just an all-round awesome guy. Plus, his pornstache really suits him.

It also doesn't hurt that he's one of only two convincing gay male characters I've (personally) ever seen in a video game.