In 3.5e it would be simple. Easiest to play for the first playthrough is human, because of two talents at L1.

In 5e... hm... I guess I'll go with the one with the best looking females, which is the Drow.

And I think it will be Sorcerer class, the one I like best.

#JusticeForKarlach

Petition to save Karlach: https://www.change.org/p/justice-for-karlach