his "mohawk-a"
see, it's right there, underneath the rest of his hair.

He obviously has a mohawk haircut in this picture.

So where's the mohawk?  When was the picture taken?  Does he have a mohawk now?

This is not a spur-of-the-moment reference.  This is what the Allen gang has been calling Mr. Sidarth.

Wadhams said Allen campaign staffers had begun calling Sidarth "mohawk" because of a haircut Wadhams said the Webb staffer has. "Macaca was just a variation of that," Wadhams said.

Washington Post article

The "mohawk" reference was absurd.  I guess they don't think fast on their feet. The take-away info is the fact that they have been calling him "Macaca."  

This is a handsome young man -- so attractive that, heaven forbid, he might attract white female attention.  Certainly can't condone miscegenation in Felix' Amurrikah.

You can come and photograph my stump speech anytime big boy!