Guinan.

About Guinan

Guinan is a recurring character in the Star Trek franchise, portrayed by American actress Whoopi Goldberg. The character first appeared in the television series Star Trek: The Next Generation in 1988 and went on to appear in the films Star Trek Generations and Star Trek: Nemesis as well as the television series Star Trek: Picard. She was also played as a child by Isis Carmen Jones in the episode "Rascals" and a younger version of the character by Ito Aghayere in Picard.