The Penguiinos

The penguiinos are a very cool species, being the most intelligent species, and also known as being the coolest species.

Penguiinos also are the strongest of all of the other species, very dangerous, People who mess with the penguiinos do not live to see another day.

Waddle, the leader of the penguiinos, also substitutes as the coolest penguiino.

Macaroni is part of the penguiinos, but often changes his identity.

Tux was the lead scientist of penguiinos and remains as such.

Mysti is most likely a temporary penguiino, they appear human, but they share DNA with the penguiino's.

Further Explanation
The penguiinos remain on the iceberg and have far superior technology. Nothing futuristic or amazing, but more clever and such. They are enemies with the now lost polar bears and use unfrozen animals like mammoths as weapons.