Unused but implied concepts in Pokémon

Moves:
-Pom Pom Dance: Not only we have three Electric-type species dedicated to pom pom dance, Orocorio Pom Pom, Plusle and Minun, Jumpluff's Stadium 2 onwards 3D model also featured it doing the pom pom dance.

-Bakeneko Dance: We have two Cat species with Own Tempo ability, Glameow and Espurr, which do not get any dance move, we also have Meowth, whose species name is Bakeneko.

Items:
-Ability suppressor: We have an item that suppresses Status moves, Assault Move, and another group that suppresses all moves except the chosen one.