Leonard Nimoy: Fans Describe What Made Spock Such a Memorable Character
Why fans found the "Star Trek" character to be so iconic.
— -- As news of actor Leonard Nimoy's death spread today, fans mourned the loss of the "Star Trek" star.
Nimoy, who starred as the emotionless half-human, half-Vulcan in the TV show and several films, died at the age of 83, but to Trekkies, his memory will live on.
"R.I.P Mr. Nimoy," wrote a "World News Tonight" fan on Twitter. "You will forever be remembered."
ABC News asked readers what made Nimoy's Spock such a beloved, iconic character and to share their favorite memories.
From his appearance to his demeanor, here's what they said.