A heard
An army of Hun-dread.
The Lakers. (Laker fan here. Sorry prob would have been more appropriate last week during the finals.) Edit: I heard this some where the other day. I can't take credit for the joke.
Because if you can't Helium or Curium, you Barium. (Heard it from Heimerdinger, League of Legends)
It was legend dairy.
Engineers
Cover your ears with your hands