The gag started in the original TreeHouse with Nova and Kootra. It was repeated all the way though the section, it later appeared in other series with other Creature (mainly when a character was named Mark). It even had a sign on the first Creature Minecraft server. The most recent appearance was in the Hobbit Creature Movie Trips with one of the skit characters named Mark. It has also been said a lot on older episodes of Creature Talk.
- The saying is an interpolation of a quote from the movie "The Room"