Lightning Lord

Real name: Mekt Ranzz

When Mekt, his younger brother, Garth and their sister, Ayla, were trapped by lightning beasts on the planet Korbal, enveloped by the beasts' rays, they were endowed with the power to hurl and control lightning bolts.

Mekt joined the Legion of Super-Villains whilst his younger siblings joined the Legion of Super-Heroes respectively as Lightning Lad and later Lightning Lass (later Light Lass).