I do a few scribbles with pencil sometimes when I find time. Not very good but I enjoy it.
Chipmunk:
(http://i43.tinypic.com/9un3n9.jpg)
Meg, from a 1933 film adaptation of "Little Women"
(http://i42.tinypic.com/25hz6ys.jpg)
A Roman soldier fending off some arrows
(http://i41.tinypic.com/11aeiv4.jpg)
My mother's chihuahua (the sketch is much friendlier than the dog, incidentally)
(http://i43.tinypic.com/fapsus.jpg)