Cute Charm Edit
From Pokémon Emerald onwards, if the Pokémon with Cute Charm is first in the party, the chance of encountering a Pokémon of the opposite gender is 66.7%, regardless of gender ratios. This does not affect the swarming Pokémon species.
Jigglypuff.The opponent becomes mesmerized when it directly hits Jigglypuff with the attack.
Delcatty.When Delcatty gets hit by a physical attack and the opponent is of the opposite gender, the opponent falls in love with Delcatty.