Gnoll

Age. Pups reach adulthood around 8 years of age. Due to their violent lifestyle many will be killed when they start showing signs of aging, around 30 years of age. Their full life expectancy is not known.   Alignment. Gnolls do not follow any sort of code or rules; for the most part they are chaotic in nature. Due to their demonic connection many gnolls tend towards evil alignments.   Size. Gnolls tend to be around 7 feet. They generally weigh between 250 and 310 lbs. Your size is medium.   Darkvision. Your fiendish heritage grants you the ability to see in dark conditions. 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 can't discern color in darkness, only shades of gray.   Keen Hearing and Smell. Due to your keen senses, you are proficient with the Perception skill.   Naturally Equipped. You are never unarmed. You are proficient with your bite. As an action you may make a bite attack. It is a melee attack with a range of 5 feet and on a hit you deal 1d6 piercing damage; you add your Strength modifier to the attack and damage rolls.   Rampage. When you reduce a creature to 0 hit points with a melee attack on your turn, you can take a bonus action to move up to half your speed and make a bite attack.   Howl of the Pack. Choose a friendly creature who can see or hear you within 30 feet. It can use it's reaction to make one weapon attack. After you use this feature, you can't use it again until you complete a short or long rest.   Languages. You can speak, read, and write Common and Gnoll.