(hex:62) is a glitch item in Pokémon Red and Blue.
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.