Here is a nother somewhat successfull characture I did recently for a friend:
It still takes me quite a bit of work to pull these off with any level of success. A well practiced characture artist can nock these things out in 5-10 minutes apiece. Though I don’t take much longer than that to do the actual drawing, only 1 in 10 of mine come out looking good. I think I did about four attempts on this one before it came out looking right.