'''Disambiguation page
This is a disambiguation page for an article title with multiple meanings. People can use this page to find the article they were looking for, or something more specific.
(view, talk, edit)
This is a disambiguation page for an article title with multiple meanings. People can use this page to find the article they were looking for, or something more specific.
(view, talk, edit)
Jack may refer to:
The Rival's effect (caused by items also known as "Jack effect" items). Jack (Pokémon Red glitch item 0xB0) Jack (Pokémon Blue glitch item 0xB4) Jack (Pokémon Yellow glitch item 0xB1) "Jack" (Japanese: ジャック), an unused entry for a mysterious trainer in a list of names in Japanese Pokémon Gold and Silver.