Basic character races:
Humans - pure humans, haven't come up with nickname yet. Ideas???
Scalies- reptiles
Fluffies- birds
Squishies- amphibians
Clankers- cyborgs
Clickers- insects
Fakers- androids
Notmen- mutant humans
Plants- no nickname yet. ???
Races will have "stock mutations", or a choice/roll of them. Scalies will get teeth/claws, tail, & scales. Fluffies get limited flight, frail(hollow bones, Clickers get exoskeleton, etc. You get the idea.
Your race also gives you stat modifiers on strength, intelligence, etc.
You still get other mutations/defects.