|Species Origin||Hammer Bro.|
| Boomerang Bro.|
Bomber Bro./Bomb Bro.
| Koopa Troop|
New Super Mario Bros. Wii 2: Bowser's Back
Thunder Bros. appear in New Super Mario Bros. Wii 2: Bowser's Back. In the game they throw Lightning Bolts. They can only be found in the Factory. They are the rarest type of Hammer Bro. in the game.
Sloppy Thunder Bros. appear as rare enemies in Super Sloppy Bros. They can only be found in World 7 and World 8. When they attack, they throw thunderbolts towards Mario. If the thunderbolts hit the ground, the effect of the lightning stays on the spot it hit for a short amount of time.