The below discourse

Pinky: Ha ha ha ha, Troz!
Brain: What is troz?
Pinky: Why that's Zort in a mirror. Huh huh, Troz!

That maybe, but it is much more. Troz is nothing less than Narf in disguise. As the sounds below demonstrate, troz played backwards is in fact Narf!

Troz!(t)

=

Narf!(tfinal-t)