Headshot 1 and 2 - Starbucks - No Longer Available

I tried a Gingerbread Tea Latte today and Starbuckaroos.  I also did a little pen sketch with whiteout added on the cup.  Here's that one, although you can't catch the ears, bubbles, etc. in this pic.

Starbucks Holiday Venti Cup

I decided to open the cup up and and oil paint and acrylic to this fellow.  Here he is in the end.  P.S., Can you tell I will draw on anything?

Starbucks Holiday Venti Cup