I think this states how I am feeling in the current political climate. With the choice before us, why not just write this fella in.
Cthulhu is a giant fictional creature, one of the Great Old Ones in H.P. Lovecraft's Cthulhu Mythos. It is often cited for the extreme descriptions given of its appearance, size, and the abject terror that it invokes. Cthulhu is often referred to in science fiction and fantasy circles as a tongue-in-cheek shorthand for extreme horror or evil.
That said, how could he be worse than the man in office now? (For those who don't spot sarcasm, that was it. It was also a rhetorical question.)