Unterminated name glitch item

DHNhIT4 89 ゥ N (0x74), an unterminated name glitch item, as it appears in Yellow.

An unterminated name glitch item is a glitch item with a name that has at least 20 unterminated (non-50) bytes.

Depending on a copy of the game's screen data that is saved after actions such as when the items menu is opened, pressing A on the item will cause the corruption of bytes at memory address CF4B and onward. If there is no 0x50 sub-tile present on the screen the game will likely freeze due to the corruption being too long.

They are useful for multiple glitch techniques, such as LOL glitch, instant encounter infinite chain glitch, LGFly and Yami Shop glitch.

In Pokémon Red and Blue, normally when used in a battle with non-corrupted tiles these glitch items will cause the TMTRAINER effect. In Pokémon Yellow, normally when used in a battle with non-corrupted tiles these glitch items may cause the game to freeze.

Possible side effects in Red/Blue

• Corruption of the player's sprite
• Corruption of the player's walking animation
• Encounter with The Hooked Metapod
• May act like glitch item 8# 8 (hex:7C) is 0x50 sub-tile is past y=08, x=02 (a screen data saving glitch item)
• May make the Start menu invisible
• TMTRAINER effect in battle

Possible side effects in Yellow

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• May freeze the game in battle

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