Penguini

Ability Score Increase: Your Dexterity Increases by 2, and your Charisma by 1.

Age: Penguinis reach adulthood sometime between the age of three to eight, and live 30-35 years

Size: Penguinis tend to be anywhere between 4 1\2 to 5 1/2 feet tall. Your size is Medium.

Speed: Your base walking speed is 25 feet. You have a swimming speed of 50 feet.

A Bit Peckish: You can use your beak as an unarmed strike dealing 1d4+Strength piercing damage. You are proficient in this.

Artic Native: You have advantage Wisdom(Perception) and Dexterity(Stealth) while in snowy weather. You are also resistent to cold damage.

Pot-Bellied Mobility: Whenever you take the Dash action and have a running start of at least half your movement speed, you can use the rest of your turn to slide on your belly to move 4 times your movement speed. Any Medium or smaller creatures that would be in the way during this movement must make a Dexterity Saving Throw against the DC(8+Dexterity+Proficiency Bonus), and if they fail they take 1d4 bludgeoning damage(1d8 at Level 4, 1d10 at Level 9, and 2d6 at Level 14) and fall prone. They take half damage and don't fall if they succeed.

Birdish Cuteness: Penguini are seen as very cute and lovable, therefore you have proficiency in the Persuasion skill.

Frosty Magic: You know the Frostbite cantrip, and can learn the Gust of Wind spell at Level 9. You can use this spell up to your Charisma Modifier(Minimum of 1). You regain all uses after a long rest. You use Charisma for these spells.

Languages: You can speak, read, and write Common. You can also speak with and understand any birds.