Articuno is the Legendary Bird mascot associated with Team Mystic in Pokémon GO. The ice-and-flying-type Pokémon represents Mystic's cool blue identity and its emphasis on knowledge, analysis, and careful decision-making.
Team Mystic is one of Pokémon GO's three competing teams, alongside Team Valor and Team Instinct. Players choose a team after reaching level 5, and the choice affects gym competition, team-based events, and some social features. Team leaders Blanche, Candela, and Spark represent the three groups, while their legendary Pokémon became visual symbols for each faction.
Articuno originally debuted in Pokémon Red and Blue as one of the three Legendary Birds of the Kanto region. The other two are Zapdos, associated with Instinct, and Moltres, associated with Valor. Articuno's icy design, blue coloring, and association with frozen mountain environments make it a natural emblem for Mystic.
Players sometimes confuse Articuno with its Galarian form or with other bird Pokémon such as Lugia. The Team Mystic symbol specifically centers on the original Articuno concept, although Pokémon GO has since included regional forms and additional legendary creatures in raids and special events.