Children of Different Humanoid Kinds

Thanks to the magical workings of the multiverse, Humanoids of different kinds sometimes have children together.

Use the size of one of the parents.

Use the speed of one of the parents.

Use the average of the parent’s lifespans.

Select three traits from the parents.

Use the language of one of the parents.

You can then mix and match visual characteristics, color, ear shape, and the like, of the two options.