Bony Beetle

A Bony Beetle is the skeleton version of a Buzzy Beetle in Super Mario World. They walk around, stop, then stick out spikes. They also are immune to Fireballs, so timing is critical. Bony Beetles were first seen in the corridors of Ludwig von Koopa's castle.

They are later seen in Paper Mario in an underground section of Bowser's Castle (and several other places), with a complete makeover. They're defeated basically the same way as Dry Bones, but harder, so the player should whack them with the Hammer often when fighting them. They would engage battle with Mario in different ways depending on if their back spikes were extended. If their spikes stuck out, they would jump onto Mario, doing five damage; they would also be naturally spiked. If their spikes were retracted, they would simply Shell Toss for three damage instead. They would also sometimes retract their spikes in or out after being attacked.

By scanning a certain e-Reader card, Bony Beetles can be found in the game Super Mario Advance 4: Super Mario Bros. 3 in the level, Swinging Bars of Doom.