
The name of this glitch item is taken from the unused Japanese versions string "かみなりバッヂ" (ThunderBadge, not to be confused with the actual ThunderBadge) which becomes mojibake ("w####m"). かみなりバッヂ is also the name of the hex:62 glitch item in Japanese versions.
Using this glitch item causes arbitrary code execution at CA14 in RAM.