The actor who played the first Klingon in Star Trek was also the first person to voice one of the most important X-Men villains ever.

(Star Trek: First Contact) 2151 - Suliban, fighting in a Temporal Cold War, shoots down Klingon warrior Klaang over Broken Bow, Oklahoma – bringing about humanity's first contact with a Klingon.

The similar design of science vessel D'Var in Those Old Scientists was then the work of Star Trek: Strange New Worlds VFX art ...