Many weapons (mostly Nintendo-related) can be used by simply renaming various weapons.
Full list:
Bow
flashlight
Varia Suit Cannon
Varia Suit Cannon (Plasma Beam)
Crossbow
Varia Suit Cannon (Missiles)
Varia Suit Cannon (Super Missiles)
Bow of Light
Arrow
Varia Suit Arm
Spectral Arrow
flash battery
Firework Rocket
Missile Ammo
Super Missile Ammo
Mace
Hammer
Carved Pumpkin
mario cap
luigi cap
Morph Ball
Hero's Cap (Green)
Hero's Cap (Red)
Hero's Cap (Blue)
Diamond Sword
Master Sword
Malihir
Netherrite Sword
Phantom Sword
Lokomo Sword
Snowball
Bomb
