Why not let a druid start the game with an elemental?
Elemental
Your companion is a blob of intelligent material ranging from a fire, a ball of water, gust of wind, or crawling ground.
Size Small
Unarmed punch; Damage 1d4 bludgeoning
Abilities varies
Hit Points 6
Immunities asleep, critical hits, paralysis, poison, precision, stun
Speed 40 feet
All elemental companions vary depending on the type of elemental they are
Air
Abilities Dex, Str
Earth
Abilities Con, Str
Fire
Abilities Dex, Str
Water
Abilities Dex, Con
Thoughts?