The "Gale cat" in Baldur's Gate 3 refers to his specific and significant feline companion, Tara.
Tara: Gale's Tressym Companion
Tara is not an ordinary domestic cat; she is a tressym. Tressyms are a species of intelligent, winged felines native to the Forgotten Realms. Tara has been Gale's devoted companion for a considerable time, long before the Mind Flayer tadpole incident and his Netherese Orb affliction.

Their relationship is a cornerstone of Gale's personal history and character, offering a glimpse into his life beyond his magical pursuits and current predicament. She is more than a pet; she is a confidante and a loyal friend.
Significance of Tara to Gale:
- Long-standing Bond: Tara represents a stable and enduring relationship in Gale's often tumultuous life. She has been with him through significant events, including his ambitious magical pursuits and their consequences.
- Source of Comfort and Grounding: In moments of vulnerability or reflection, Gale often mentions or interacts with Tara, indicating her role as a source of comfort and a reminder of his past.
- Lore and Dialogue: Players encounter Tara primarily at the player camp. Interactions with her, and Gale's dialogue about her, provide valuable backstory and insights into his personality, motivations, and history with Mystra.
- A Familiar, Yet More: While tressyms can serve as familiars, Tara's bond with Gale feels deeper and more personal than a standard wizard-familiar contract. She expresses independent opinions and demonstrates clear concern for his well-being.
Tara is integral to understanding Gale's character more completely, revealing a softer, more loyal side to the ambitious wizard of Waterdeep and often providing a unique perspective on his actions and decisions.