Half-human, half-Vulcan, suppressing emotion because his ancestors destroyed their world through violence, Vulcan speech patterns and commitment to logic (and not doing stupid shit). The actor believed that the character appealed to viewers, especially teenagers, explaining: "Spock understands the trauma of human existence, for he is not home with earthmen or Vulcan; he can function only in the fabricated and neatly ordered society of the Enterprise. There, he knows who he is; he relates to his role very specifically, and this gives him a kind of cool."
Isn't it rich? The Keeper of the Clown Bell is a semi-secret society dedicated to exposing the clowns in our midst. Ring Loud, Ring Often!