Reinforcements from Cybertron

HEADSTRONG:

Smug, arrogant to the point of insufferable, nothing can dissuade Headstrong once he's decided on a course of action. His commitment to his own plan of attack is total and unwavering, and everyone else can take their opinion and stuff it. But largely his whole demeanour is designed to mask a deep streak of insecurity, as Headstrong considers himself not as strong, intelligent or fearless as the other Predacons.

Nothing can dissuade Headstrong once he's decided on a course of action. His commitment is total and unwavering.

SLUG:

Considering he's one of the good 'bots, Slug is as nasty and mean-spirited as they come, and resents everyone from Optimus Prime down. The actual process it takes to build up a fiery (3,000 degrees centigrade plus) blast and reduce an enemy to molten slag is hardly energy-efficient, but he doesn't care. It's firepower well spent in his book. As he often says, "I have no need for friends, even less for enemies."

Slug is as nasty and mean-spirited as they come, and resents everyone from Optimus Prime down.