Digital Hamsters

A recurring Easter egg in the Meow Wolf exhibits is a video of a hamster that appears to run on an IRL hamster wheel. 
HOER - Next to the diorama with the pyramid.
OM - ???
CS - In the pet shop window.
TRU - In the forest, next to the couch portal. (https://credits.meowwolf.com/the-real-unreal/the-forest/digital-hamster/)