I think I'm missing some subtle wordplay here. Why would they call him Mr. Testi...oh you clever Spanish devils you. Mr. Testis is the mascot for the San Fermin Festival.
Am I the only person who wishes we could go in the way back machine and hear Eric Dickerson report from the sideline about Mr. Testis?
Meet the San Fermin Festival Mascot: Mr. Testis [Machochip]