Gizmo Mogwai is a central character in the 'Gremlins' film series, recognized as the adorable and intelligent Mogwai who befriends the protagonist, Billy Peltzer. Unlike other Mogwai, Gizmo is gentle, kind-hearted, and refuses to transform into a Gremlin. His unique personality and bravery play a crucial role in thwarting the chaos caused by the villainous Gremlins. Gizmo's loyalty and courage make him one of the most beloved characters in the series, embodying innocence amidst mischief.