japer
japester

'Gleto has sworn that you developed the drug, cerol, into several compounds which were used to depress Harlan, Japer, Lamar, Sosit, to name only a few.

The Problem Blob, the Puzzler, and the Numbertaker are male, while the Shape Japer and the Spooky Spoon are female.

But the unasked question (more important of the two) was: how did we get into this position, where a laughing, irresponsible japer of jabberwocky and jive could disrupt our entire economic and cultural life with a hundred and fifty thousand dollars' worth of jelly beans . . . Jelly for God's sake beans!