Goblin
Goblins are Dwarves who first traveled to the Fey Forest, mutating to a more wacky form. Goblins have existed since the 8th Age.
Ability Score Improvements. Your Dexterity Score increases by 2 and your Constitution Score increases by 1.
Age. Goblins are infants until age 5, adolescents until age 10, mature until age 30, mid-life until age 40, elder until age 50, and ancient afterwards.
Size. Your size is Small.
Languages. You can speak, read, and write Common and Goblin
Darkvision. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You discern colors in that darkness only as rippling shades of gray.
Fury of the Small. When you damage a creature with an attack or a spell and the creature's size is larger than yours, you can cause the attack or spell to deal extra damage to the creature. The extra damage equals your proficiency bonus. You can use this trait a number of times equal to your proficiency bonus, regaining all expended uses when you finish a long rest, and you can use it no more than once per turn.
Nimble Escape. You can take the Hide or Disengage actions as a bonus action. Additionally, you gain proficiency with Acrobatics.
Wiry and Worried. You have proficiency with Stealth and Sleight of Hand, and add a d4 to all Dexterity (Stealth) and Dexterity (Sleight of Hand) checks.