Tuvok was my favorite on the show by far, though I do like everyone in the main cast. There was just something fun about Tuvok and how Tim Russ played him. Whereas Spock overcompensated for being half-human, Tim Russ played Tuvok brilliantly as the porr irritated Vulcan who just wanted to mediate in the corner and dodge Neelix.
I loved the Tuvok-centered episodes, the Tuvok goes crazy episodes, and I loved it when Tuvok had that "someone, anyone, rescue me, please" look going on, trying desperately not to tell people where to shove their tricorder.
My favorite Tuvok episode was S6's "Riddles" where Tuvok was disabled due to a brain injury and became "best friends" with Neelix. Such a genuinely moving episode, and I think it revealed deep down that while Tuvok sometimes legitimately wanted to murder Neelix (LOL), he also genuinely cared for him as his "best friend" even if he can't admit that and has to be all Vulcan-like.


When Neelix left Voyager, I think his hardest goodbye was with Tuvok. 
