Ok. So here is what to do, go on minecraft and spawn a (Creeper, Enderman, or Spider) After one is spawned. Type in the command below in your (T) or (/). After the Mob is spawned and you did /gamemode 3 -- LEFT-Click on the mob. And you will have a Different Screen. (Do [Shift] to go back normal.
* Creeper -- Colors are all Green. (Put RED wool down, it turns green.)
*Enderman -- All colors are Inverted (Green is Purple, Purple is Green. Etc.)
*Spider -- Mulit-View. (More than 1 POV.)