Some random gag character in the Marvel Universe that is somehow pretty popular and incredibly powerful.
The fact that Marvel even made a character like Squirrel Girl shows how they either aren't aware that Rule 34 exists or don't care enough to think twice.
What da young NASA engineer Mark Rober discovered dat "Phat Gus" was during his "ninja-warrior obstacle course" squirrel-feeder experiment.
After discovering dat "Phat Gus" was "not a dude" (said gray chatterer was so roly-poly --- and had such a prodigious appetite --- due to being FULL OF BABIES, not from overeating), Mark Rober renamed his smallfurry "girl-squirrel" friend "Phantastic Gus".
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.