Halfling

Age, Halflings live for around 150 years, reaching adulthood around the age of 20.
Size, Halflings stand around 3-4ft tall. Your size is small.
Speed, your base walking speed is 25 feet.
Lucky, when you roll a 1 on an attack roll, saving throw or ability check you can reroll the die. You must use the new result. You may use this trait a number of times equal to your proficiency bonus, recharging all spent uses after a long rest.
Brave, you have advantage on saving throws against being frightened or charmed.
Nimble, you can move through the space of any creature bigger then you. Additionally, you can take the Disengage or Dash actions as bonus actions.
Languages, you can speak, read, and write Common and one other language of your choice.