It is not known to evolve into or from any other Pokémon.
Pengas is a penguin-like Pokémon which developed automimicry, a common phenomenon in the animal world. In its case, it developed a fake mouth and mustache in order to make its mouth seem bigger than it actually is, while its real mouth acts as a nose.
Pengas inhabits caverns alongside very few companions, some of which lacking the intelligence that it has. Constant screaming has lead some Pengas to grow deaf, while others have learned to weaponize their screaming as a scare tactic to get its way. Ironically, however, it is incredibly weak to Ground and cannot resist Scratch.
It walks around its cave, shouting its name repeatedly. Its body temperature is always changing drastically.
Pengas has the highest base HP stat of all Ice-type Pokémon.
Pengas has been used in Super Mario 64 and Garry's Mod machinimist SMG4's videos starting with 2015's "Super Pokémans 64: Legendary Pokémon".
In these videos, it is stated be a Legendary. However, its stats do not reach over or equal to a total of 600.
Pengas is Doctor Ivo "Eggman" Robotnik from the popular franchise, Sonic the Hedgehog as a penguin. "Pingas" is a misheard phrase that comes from the 1993 animated series, Adventures of Sonic the Hedgehog. During an episode, Doctor Eggman finds two of his henchmen snooping around to which he replies "SnooPING AS usual I see.", with the pronunciation making "-PING AS" sound like one word. The phrase has gone on to be the subject of many Youtube Poops.