Does anyone know the source for this? I have known these gifs/images for aroud 10 years now and I still don't know where they come from.

85 50

44 21

36 43

43 42

23 22

56 12

29 42

39 21

36 41

65 47

32 12

33 21

72 44

22 2

45 42

35 22