Other mistake: When the captain gets shot with the spear after he kills Rocky, he falls to the ground, and you can see part of the spear sticking out. But where is the back end of the spear?
Other mistake: When Dilio shows Leonidas he has lost his eyes we can see right through, but on the back of his head there are no holes, and if there were his hair is still covering them.
Answer: He's Chris Crocker. In 2007, he made the YouTube video talking about everything Britney Spears had gone through, and he felt the media and people were ganging up on her and making fun of her, and he ended up breaking down and crying "leave Britney alone." It was thrown in the movie since the movie was making fun of Spears.
Bishop73