https://screenrant.com/star-trek-lore-data-evil-twin-tng-picard/

Since his introduction in Star Trek: The Next Generation, Data's evil twin brother Lore has been causing problems for the Enterprise and her crew.

Lore’s TNG Debut Rehashes Star Trek TOS’ Evil Kirk Doppelganger (https://screenrant.com/star-trek-tng-lore-evil-doppelganger-kirk-rehash/)

Data's evil twin Lore in Star Trek: The Next Generation follows in the footsteps of the evil Captain Kirk in Star Trek: The Original Series.