Originating as a wild Aipom in Kanto, this Pokémon displayed mischievous tendencies, famously stealing hats like Satoshi's near a giant mechanical Slaking. After encounters and a battle against Satoshi's Pikachu, Satoshi captured it. While with Satoshi, Aipom often perched on his shoulder beside Pikachu and developed a strong fascination with Pokémon Contests after watching Haruka's performances. It participated in the Jubilife City Contest under Satoshi but lost early. Aipom also battled in Sinnoh Gyms, defeating Roark's Geodude and Gardenia's Roserade to earn the Forest Badge, though its battling style increasingly favored Contest-like appeals over standard tactics. Satoshi and Hikari formally traded Aipom for Buizel to align with their differing goals. Training under Hikari, Aipom learned Double Hit and evolved into Ambipom during a confrontation with Unown. As Hikari's Pokémon, Ambipom competed in Contests. Early attempts faced hurdles, including a failed Solaceon Town appeal due to excessive Swift use. Success followed at the Wallace Cup and eventually the Celestic Town Contest, where Ambipom's combination of Swift, Double Hit, and Focus Punch earned Hikari her third ribbon. Ambipom also aided in Hikari's Gym battle against Maylene, defeating Meditite before falling to Lucario. Ambipom demonstrated remarkable ping-pong skill during the Sandalstraw Town Contest, incorporating the sport into its appeals by serving Swift stars like balls and using Double Hit as paddles. This talent extended beyond Contests, leading to an encounter with the professional player O. Recognizing Ambipom's passion and aptitude for ping-pong, Hikari decided to leave Ambipom with O for specialized training, concluding their journey together. Throughout its story, this Pokémon consistently exhibited hat-stealing mischief, a cheerful nature, and adaptability in battles and Contests. Its evolution and skill development reflected the contrasting focuses of its Trainers, from Satoshi's battle emphasis to Hikari's Coordinator path.