Demitri, a vampire character in the Darkstalkers games, has an attack called "Midnight Bliss," in which he turns his opponent into ana ttractive woman (or a more-attractive woman, in the case of female characters), and then drains their blood. Some of the transformations are intentionally funny.
Demitri also appears in Capcom Fighting Evolution, a Capcom crossover game which also includes this character:
And thus, when Demitri uses Midnight Bliss on him:
The result is possibly the single funniest thing I have ever seen.