Professor Murder
Hero
Another way to make a fantasy race stand out are unique resources, goods, and skills. Elves having access to magical skill and training others lack or Dwarves being smiths of supernatural ability are possible. You can also just have a given people inhabit lands that's the sole source of a desirable resource, like say having the ancient wood in which the Firbolg dwell have tree that produce magical fruit. This creates means of both trade and conflict and can help to set up "typical" relationships between communities.