---> William Shatner, DeForest Kelley and Nichelle Nichols (Star Trek)
Spock Stepped on Kirk's Tail--This is the title on Set Phasers to LOL . I don't get it (since that's Bones running after Kirk, not Spock), but the gif with the caption is really funny!
Live Long and Prosper Little Kitty! - a Star Trek kitty GIF. You haven't lived until you've seen Spock stroking a kitty like a villain.