started seeing him on the pavement in chicago last year. at first i didn't want to look into it but after seeing him in san francisco i had to find out something. it took a little digging but i found a fairly large flickr group with some details in the discussions section. there's a link to here with this minor detail:
Quote:
The person responsible is stikman, a mysterious guerilla artist from Philadelphia who’s a sort of art-world Johnny Appleseed
he's been in more than a few major cities. have you seen him?