Special mention should go to Coleman, the stoner who somehow has a complete and expert-level understanding of physics, chemistry, fluid dynamics, aeronautics, and several theoretical and mathematical concepts...which he only uses to get stoned
Crosses the Line Twice: Both Serge's murder methods and many of his and Coleman/Lenny's other exploits.
The Woobie: The real hero or heroine of each novel is usually some poor schmuck who gets sucked into the vortex of Serge's craziness. Serge can sense immediately if the guy or gal is normal, and would ensure that the Woobie survives the events (and meet their One True Love in the process).