A Study in Shrapnel

I was messin' around last night, testing some new techniques I found and came up with these sketches.
I think I like the bottom one most simply because it reminds me a lot of Calvin & Hobbes, which is unquestionably the greatest comic strip ever written and was no doubt the catalyst of my decision to become an artist.

I'm calling this finished simply because I doubt I'll ever get back to these.