The automaton are a friendly race that get along well with humans. They don't need to eat conventional food, instead they need to keep themselves fueled by consuming scraps into thier boiler.
The goatman is a misunderstood group. Humans aren't on good footing with the goatmen and will attack on sight as a result. Keep a drink in hand and do your best to avoid shopkeepers.
Goblins are simple minded creatures, they can't learn spells. They do, however, excell at physical combat. They are also not on good terms with humans so watch out.
The humans are normal, a jack of all trades. Good at most things, unnotable in any one aspect.
The Incubi are scary and torturous folks. They are feared by humans and as a result are attacked on sight.
The insectoids don't have a very defined palette, they can eat food even if it is a bit mouldy. The insectiods are also shunned, be careful of humans as you scavenge for whatever food you can eat.
Skeletons are creepy, yet intellegent creatures. They don't need to eat, but they are easily harmed.
Succubi are shunned yet seductive folks. They are great leaders and are able to seduce male humans to do their bidding.
Vampires are shunned by humans because of their bloodlust. Attack monsters to get that vital blood, it is the only thing that can feed your growing hunger.