That’s Charon in the back.
[Found in here, in here and here. That top one is pure Buster Keaton. Kudos to whoever you are.]
[Found here, here and here.]
[Top one is for Bob2. Others were found in here, sans links. The 2nd reminds me of this classic Utoobage.]
[Found here, here and here. BTW, for any newcomers (welcome) we have an nice archive of .gif animations here.]