Scotty is a fictional character from the Star Trek franchise, known for his role as the chief engineer aboard the starship USS Enterprise. His full name is Montgomery Scott, and he is famous for his catchphrase, "I'm giving her all she's got!" Scotty is portrayed as a brilliant engineer who often finds creative solutions to technical problems. The character was originally played by actor James Doohan in the original Star Trek television series, which aired in the 1960s. Scotty has appeared in various Star Trek films and series, becoming a beloved figure among fans for his loyalty, ingenuity, and Scottish heritage.