Tommy Wirkola on Going From Nazi Zombies in ‘Dead Snow’ to Singing Semen in ‘Spermageddon’

The horror director teamed up with Norwegian animator Rasmus A. Sivertsen for the raunchy, but sweet, animated musical, which premiered at the Annecy Film Festival. "It's 'Cannonball Run' but with sperm." What rhymes with sperm in Norwegian? “Quite a few, actually, we got lucky in that respect,” says Tommy Wirkola, whose new film, Spermageddon, is an animated musical about sex and conception, told from the perspective of the spermatozoa. “You’d be surprised how many words you can find that rhyme, …