Ubiquitous Bubba: 4 books

A young psionic is given an impossible task: Save the Multiverse. Fortunately, there's a 4 ton armored poet and his mercenary friend to help out. There's also a party of trans-universal dungeon explorers, a dragon, reluctant royalty, a girl with way too many heads, a pair of coffee drinkers, a rock...

There are things man was not meant to wot of. Unfortunately, hair has no such restriction. For one head of evil genius hair, time travel has unintended consequences. The multiverse, Time, and all that is reality challenged is at risk. Finding and unlocking the Prime Universe has never been more urgent...

What happens to imaginary friends once they've been forgotten? Do they know that they're imaginary? How would they spend their time? When the Earth is invaded by extra-dimensional beings, a few imaginary friends may be humanity's only hope.

Starving. Relationships with the other were-creatures have been strained since I ate the last human being on Earth. Now, the only food source left on the planet are were-folk, and we taste terrible. Unfortunately, we have a more immediate problem. How are we going to get off of this alien ship?