Oker

Don't know much about Oker yet, but I know he/she has a really nice graphic illustration and graffiti style.

Check it out here.

Risto-Jussi Isopahkala

Logotourist.com is an art project by Risto-Jussi Isopahkala. It mixes iconic landmarks and commercial logos. It features logos from the hundred most valuable brands.

Check it out here.