Azumarill, a recurring figure in the animated adventures of the Pichu Brothers, makes its home in Big Town and actively joins the escapades of the Pichu Posse. Renowned for its kindness and generosity, it organizes picnics for companions and readily aids those in distress, though it unleashes a fierce temper when provoked, countering threats with swift Water Gun assaults.  
In its debut appearance, Azumarill rescues Pichu Little and Wooper from speeding vehicles by blasting them safely across a road. Later, while mediating a quarrel between the Pichu Brothers, an accidental electrocution triggers a frenzied exchange of elemental attacks involving Smoochum and Magby. The chaos subsides when Azumarill helps orchestrate a truce, crafting icy slides for the group’s shared enjoyment.  
Subsequent tales see Azumarill hosting a picnic to greet its friend Azurill, only for Meowth’s pursuit of a sandwich thief to ruin the setup. After calming the disruption, Azumarill gathers everyone to celebrate Azurill’s arrival. Trusting the Pichu Brothers to supervise the young Pokémon proves challenging when Azurill wanders off, yet Azumarill remains a steadfast leader—coordinating invitations for Meowth’s party, spearheading searches for lost items, and rallying the Posse during crises like structural collapses or missing companions.  
Whether guiding the group through challenges, locating lost friends, or diffusing tensions, Azumarill exemplifies responsibility and community spirit. Patient and nurturing by default, it shifts to decisive action when conflicts arise, embodying a blend of gentle caretaking and protective resolve that anchors the Pichu Posse’s adventures.