Ron Perlman (born in 1950) is an American actor known for his distinctive physical presence and deep, gravelly voice. He gained recognition for roles that often saw him transformed or under heavy makeup, such as in the prehistoric film *Quest for Fire* (1981) and the medieval drama *The Name of the Rose* (1986).

His career is closely linked to director Guillermo del Toro, who has directed him in numerous projects. Among the most celebrated are *Blade II* (2002), *Hellboy* (2004) and its sequel, where he played the titular demon protagonist, and *Pacific Rim* (2013). Perlman is appreciated for his ability to imbue humanity and complexity into often gruff characters, antiheroes, or fantastical creatures, making them memorable through his intensity and unique charisma.