Dustin Neil Diamond was an American actor, stand-up comedian, and musician best known to a generation of television viewers as the lovably nerdy Samuel "Screech" Powers, a role he inhabited throughout the entire run of the popular Saved by the Bell franchise. His portrayal of the quirky high school student, with his signature suspenders and high-pitched exclamations, made him a household name and cemented his place in 1990s pop culture. Born on January 7, 1977, in San Jose, California, Diamond began his career as a child actor, landing the role of Screech on the Disney Channel series Good Morning, Miss Bliss in 1988. When that show was retooled into the iconic NBC Saturday morning sitcom Saved by the Bell, Diamond and his character made the transition, becoming a core member of the ensemble alongside Mario Lopez, Mark-Paul Gosselaar, Tiffani Thiessen, Elizabeth Berkley, and Lark Voorhies.

Diamond's association with the character proved to be enduring. He reprised the role in the short-lived sequel series Saved by the Bell: The College Years and continued as a main cast member for the entirety of Saved by the Bell: The New Class, which ran for six seasons. Alongside Dennis Haskins, who played Principal Belding, Diamond was the only actor to appear in every iteration of the franchise from its inception through the year 2000. Following the conclusion of his time in Bayside, Diamond sought to diversify his career beyond the shadow of Screech. He ventured into stand-up comedy, touring nationally and performing his act for years. He also appeared in various film and television projects, including a notable stint on the fifth season of the reality series Celebrity Fit Club in 2007, and directed the low-budget horror film The Laziest Guy in the World.

His personal life often attracted media attention, including a brief marriage to Jennifer Misner from 2009 to 2013 and a highly publicized legal incident in 2014. Despite these challenges, Diamond continued to perform and remained a recognizable figure, frequently participating in nostalgia-driven events and reunions with his former castmates. In January 2021, Diamond was diagnosed with stage IV small-cell carcinoma, a particularly aggressive form of lung cancer. He began treatment immediately, but the disease progressed rapidly. Dustin Diamond died on February 1, 2021, at the age of 44. His passing was met with an outpouring of tributes from fans and colleagues, who remembered him for the indelible mark he left on their childhoods through his most famous role.