When determining your character’s ability scores, increase one score by 2 and increase a different score by 1, or increase three different scores by 1. You can't raise any of your scores above 20.

You are Medium

Your walking speed is 30 feet, and you have a swimming speed equal to your walking speed.

You can hold your breath for 20 minutes.

Blindsight 30 ft. (blind beyond this radius),

Your character can speak, read, and write Common and one other language that you and your DM agree is appropriate for the character. The Player’s Handbook offers a list of languages to choose from. The DM is free to modify that list for a campaign.

Penguins have a layer of fat, as well as a coat of water-repellant feathers, to keep them warm and dry, even when submerged. They can tolerate temperatures as low as 20 degrees Fahrenheit without any additional protection. Resistant to all Cold damage.

The penguin can use an action to attack with its beak