Contra Force/Game Mechanics and Glitches

Character	"Speed"	"Jump Height"	"Comments"
Burns	Good	Best	Burns jump height is high enough to jump over two crates. It's useful in stage 3 and he's only slightly slower than Beans so he's useful
Smith	Okay	Okay	Not used in speedrunning
Iron	Poor	Poor	Iron can equip the flamethrower which is the best weapon in the game and essential for beating the stage 3 boss quickly
Best	Good	Beans has the best movement speed and a good jump height, he's used whenever possible