Titan - 2

You have overdeveloped muscles, and negligible body fat.
Even when you were a baby, even with not much exercise, your muscles are simply over the top.
You start your Strength stat at D6 instead of starting at D4.
You get a +1 to the result of all your Strength rolls, including damage rolls.
Once you get to Strength D12, your +1 modifier to results turn into a +3 modifier.