On what would have been his 96th birthday, fans and celebrities alike have retweeted or posted tributes to iconic creator Stan Lee. Lee's impact on the world of comics was enormous, and there's no telling what the medium or the immensely popular Marvel Cinematic Universe would look like if not for his contributions.In honor of the legend, Marvel Studios posted a drawing of Lee on its Twitter, writing, "On his birthday, join us in remembering Stan Lee. Happy Birthday, Stan. Thank you for everything."RELATED: Stan Lee Almost Had A Different Kind of Into the Spider-Verse Cameo

Lee’s contribution to comics is immeasurable. As a writer, he created such popular Marvel characters as the Fantastic Four, Spider-Man, Daredevil, the X-Men, Thor and many, many more. Throughout his life, Lee proved himself a jack of all trades, working as an editor, publisher and figurehead for Marvel Comics. He went on to found Stan Lee Media in 1998 and POW! Entertainment in 2001. Lee continued working on a variety of independent projects and causes up until his passing.

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Lee is also known for his appearances in different media, particularly film and television associated with Marvel. Since his passing, he has had posthumous cameos in Ralph Breaks the Internet and Spider-Man: Into the Spider-Verse. There was also a special tribute to Lee in Once Upon a Deadpool. His cameo in the upcoming Avengers: Endgame was filmed prior to his death.

Lee, who passed away earlier this year at the age of 95, was predeceased by Joan Lee, his wife of 69 years. They are survived by their daughter J.C. Lee. Stan Lee's birthday was December 28, 1922.