Mr. Herriman is a rule-crazy imaginary friend created by Madam Foster herself. He had a rule for just about everything. And if he doesn't, he'd probably make a new rule for it. Mr. Herriman doubted that Mac would come and visit Bloo everyday even if his creator never forgot him herself.
“Said Funny Bunny, to sweet little girl.” *ping*
“I SHALL HAVE MY VENGCE!! Come on! Come on! Do something silly!”
"Master Blooregard! We only use two squares during each release."
"I have a system! GET OUT!"