Toriel is the former queen of the monsters in the game Undertale, the ex-wife of Asgore, the mother of Asriel, the adoptive mother of the first human, and the first boss, as she guards the Ruins exit. Toriel is a nurturing and protective mother figure, characterized by her deep sincerity and love. She shows tough love, especially towards her children and those she cares about, blending warmth with a firm, guiding hand.