Get it? Get it? Because he's an Engineer? Oh, pay no attention to me, and just watch this sweet fan-made TF2 prank short, featuring some genuinely excellent animation for not costing millions of dollars (assumably). A wise animation studio would hire this kid pronto.
...though the nitpicker in me wants to point out that a blue engineer shouldn't be building a red sentry gun (which in turn, shouldn't fire on a red scout).
TR Contest: Most Awful Anime Character Note: All entries featuring One Piece characters will be instantly deemed invalid, as every single One Piece character is totally awesome.
TMNT Origins: Casey Jones Also featuring a herd of ninjas and a dude (a party dude?) in a swell Michelangelo costume.
TR Contest: Most Obscure Nerd Love (619) What's one thing that you just adore, but when you mention it your nerd friends, they have no idea what you're talking about? The more obscure it is, the more likely you are to win....