Marceline is not my problem

I thought something was wrong when I was drawing this. I didn't realize what it was until I scanned it. I drew it in green!


I recently started to watch Adventure Time clips (because I don't have access to things like, a TV with Cartoon Network and YouTube doesn't have full episodes online ATM). I did a little researching and discovered that my two favorite characters on the show are Marceline and The Ice King.