Illustrated Email Spam
JohnThermos is still suffering from TRANSFORMANIA! (Please note that this is not a Romanian village.)
When told that "Love continues beyond the grave" by his spam, Kelp Plankton was thinking more George A. Romero than Juliet and Romeo.
Linkbott's facial hair is modelled on Mike Haggar from Final Fight. I guess that also explains why he doesn't wear a shirt and prefers to hold up his pants with a belt over his shoulder.