J.K. Simmons is an American actor known for his versatile performances in film, television, and theater. He was born on January 9, 1955, in Grosse Pointe, Michigan. Simmons gained widespread recognition for his role as J. Jonah Jameson in the Spider-Man film series and has received numerous awards for his work, including an Academy Award for Best Supporting Actor for his performance in Whiplash. In addition to his film work, Simmons has appeared in various television series, including Law & Order and The Closer. He is also known for his voice acting, lending his voice to characters in animated series and video games. His career spans several decades, showcasing his talent across multiple genres.