In this series, every Waifu is great. Gravity Waifu, Frog Waifu, Acid Waifu, Invisible Waifu, Rich Fanservice Waifu, Music Waifu, Gadget Waifu, Yandere Waifu, and all the Pro-Hero Waifu's!
I find myself loving all the Waifu's in this show! And that's not even getting into all the Husbando's!