1. Blue
2. 1969 on Sesame Street. 1967 Commercial. I dunno when he first showed on The Muppets.
3. November 2.
4. Jim Henson designer, Don Sahlin builder
5. Chocolate chip cookies
6. Sid
7. David Rudman
8. November 10, 1969
9. D: The Cookie, obviously. :P
10. Silver Bells
11. 4+1
12. C is for Cookie
13. Poem
14. Cookies?
15. Mother
16. Joe Raposo
17. Frank Oz
18. Tiny
19. National Film Society
20. W
21. A: Wheels
22. Waiter
23. 1978
24. Alistair Cookie