Penguin is a Hesperornis. He was Link's fourth creature.
His card, along with the Move Cards Hydro Cutter, Shockwave, Neptune Stream, and later Ocean Panic, winded up off the coast of Mexico. When a boat hit the Capsule, he was activated. He battled Morto and won. He then battled Lati and won. He then battled Tylo and won. He then battled Rex and won. He then battled Spider and lost. His capture removed Morto from the team. Later, he was revealed to be a 15 on the Power Scale. Three episodes later, he participated in a battle royal. At first, he stood on the sidelines, but eventually battled Scuto alongside both Link and Insecto's whole team. He lost, however. The next episode, he participated in another battle royal. He battled Panther and Arthro, and singlehandedly defeated them. He then battled Scuto again alongside the same allies, but lost. Two episodes later, he battled a trio of Deinonychus and lost. Twelve episodes later, he battled a Future Shark but lost, The next episode, he battled a Mer Creature and won. He was removed from the team by Merman's capture.
The Hydro Cutter Move Card was in his Card Capsule, and was activated along with him.
The third copy of the Shockwave Move Card was in his Card Capsule, and as activated along with him.
The Ocean Panic Move Card entered his Card Capsule sometime after Tylo's capture, and was activated along with him. After they were defeated, the card blew away, so Penguin lost the ability to use this Move.
The second copy of this powerful Move Card was in his Card Capsule, and was activated along with him.
Penguin combines his Neptune Stream with a Ninja Attack.
Penguin combines his Shockwave with at least one Sonic Blast.
Penguin combines his Hydro Cutter with at least one Hurricane Beat.