Movie
Description
Discovered by Bonnie on a stump within the Kalos region, Puni-chan (also called Squishy) is a Zygarde Core. Found inside a bag, it received its nickname after Ash's and Serena's Pokédex failed to identify it. This Core can absorb surrounding cells to transform into its 10% Forme, employing moves such as Land's Wrath and Dragon Pulse when sensing threats or protecting allies. It later gains the capacity to assume its 50% Forme during confrontations and briefly accesses its Complete Forme remotely during a critical battle in the Azoth Kingdom, unseen by humans.

Puni-chan shares a deep bond with Bonnie, often resting in her bag beside Dedenne. This connection evolves into a unique empathetic link where both physically feel each other's pain, resembling the Bond Phenomenon. During their travels, Puni-chan aids Bonnie multiple times, guiding her through Terminus Cave, helping find medicinal plants for injured Pokémon, and participating in battles against threats like Team Flare. It plays a pivotal role confronting Team Flare's controlled Zygarde (Z2) during the Lumiose City crisis, with Bonnie's intervention breaking its mind control.

Across various episodes, Puni-chan displays sentient traits, communicating telepathically with Z2 to debate human trustworthiness and participating vocally with other Pokémon in shared dreams induced by Darkrai. After the Kalos events, Puni-chan chooses to remain with Bonnie, continuing to support her endeavors, including assisting in the capture of Yveltal, participating in the Lumiose Conference, and later aiding in locating Z2 in Alola by contributing to the Zygarde Cube's functionality.

In the film *Volcanion and the Mechanical Marvel*, Puni-chan accompanies Bonnie to the Nebel Plateau. During Alva's attack, it transforms into its 10% Forme to shield Pikachu and battle Mega-Evolved Pokémon. In the climax, it briefly assumes Complete Forme off-screen to deflect a fortress's laser aimed at the plateau, reverting to Core Forme afterward unobserved.

Puni-chan's arc traces its journey from a wary, unknown entity to a trusted protector exhibiting deep loyalty to Bonnie, underscored by its evolving abilities and empathetic connection.