Here's my entry for the Cleveland Browns logo contest. Feel free to vote for the one by @Tuck13 here: https://web.witcontests.com/browns/contest/design-your-ideal-cleveland-br-230405

Rough Drafts

Trying to add a classic feel, I played around with the helmet, which is inspired by those worn by the Browns in the 1960's.

I also experimented with the facial features of the Mastiff like shading and wrinkles.