Fighter

Fighters are likely to be the main body of any adventuring party, and could easily (very likely) be the only class for which there is more than one representative.

Players Handbook (page 22)

Fighters ore the strongest of characters in regards to sheer physical strength, and they are the best at hand-to-hand combat. Any sort of armor or weapon is usable by fighters.

House Rule

It's just d10 hit dice every level. It doesn't change.