Made this custom "hat" for TF2 today. Felt like uploading some screencaps because I thought it looked hilariously good, much better than expected.
Will probably move this to scraps eventually since it's just a little addon on top of an existing model.
Oh, and that Sonic hat isn't mine, it was already in the plugin.
(Also props to Damizean for taking the time & effort to import the thing into the actual game.)