So I drew Apollo and Creepster in three growth stages.

Child

Teen

Adult

My plans for them never really changed.

Apollo:
Stage one: Child
Condition: sick and barely alive
Type:mortal
Death?: 6 years old

Stage two:Teen
Condition:healthy
Type:Demigod
Death?:none

Stage three:Adult
Condition:would have died from lack of sleep
Type:God
Death?:none

Creepster

Stage one:Child
Condition:too curious but healthy
Type:creeper child
Death:none

Stage two:Teen
Condition:traumatized
Type:Hybrid
Death:none

Stage three: Adult
Condition:has been infected with a black virus
Type:creeper guard
Death:killed in battle after being able to control the black virus