Ivan Reitman — Canadian Actor born on October 27, 1946,

Ivan Reitman, OC is a Canadian film producer and director, best known for his comedy work, especially in the 1980s and 1990s. He is the owner of The Montecito Picture Company, founded in 2000... (wikipedia)

I think Junior is certainly a science fiction premise as is Twins, as is Dave, beyond Ghostbusters.
In many ways, I think that, while we've been remarkably violent in our media, there's been a real schizophrenia. In private, on the Internet, and on public-affairs shows or talk radio, we're way more explicit than we've ever been.
Then my first film was something called Cannibal Girls, which sounds like a horror movie but was actually kind of a goofy comedy with horror elements. Like a horror spoof.
I don't think my sense of humor has changed at all; I was born with this, for better or for worse.
Movies either work or they don't work and they're either funny or they're not and we work very hard. To achieve that kind of work is really kind of delicate stitching.