Hate to break it to you but some birds do have penises. It's not a uniform feature across all soecies as in mammals, and it's structurally different from the mammalian variety, but there is such a thing as a bird-wang.
That's like saying there are fish with lungs. Don't lie to me.
I keep meaning to ask Plaz to put the Pacific Rim soundtrack in his rotation. The main theme has this swagger to it that will nail the mood when world-changing heroes enter an arena tourney for fun. The guitar part in Go Big or Go Extinct is something I just love.