Blue
Ravenous Bugblatter Beast of Traal
Absolutely tailor what's available in your setting to the feel you want. Always edit - adding, subtracting, modifying.
For "general" D&D, none of the half races are listed as common. The half-elf goes back to Tolkien, with many of them, including the well known Elrond. https://en.wikipedia.org/wiki/Half-elven.
There have been various D&D attempts to codify playing traditionally evil races, with Drow and Half-Orcs providing two different types of archetypes that are close enough in power to the traditional PC races. This is a popular trope, notice how Tiefling was popular enough to include in the PHB but it's mirror of the Aasimar was not.
For "general" D&D, none of the half races are listed as common. The half-elf goes back to Tolkien, with many of them, including the well known Elrond. https://en.wikipedia.org/wiki/Half-elven.
There have been various D&D attempts to codify playing traditionally evil races, with Drow and Half-Orcs providing two different types of archetypes that are close enough in power to the traditional PC races. This is a popular trope, notice how Tiefling was popular enough to include in the PHB but it's mirror of the Aasimar was not.