8. Seth Green

Seth Green, widely recognized for his comedic talents, lends his voice to the quirky character of Howard the Duck in the Guardians of the Galaxy series. Howard makes his debut in the post-credits scene of the first film, offering a humorous and unexpected presence in the Marvel Cinematic Universe.
Green’s distinctive voice perfectly complements Howard’s sarcastic and irreverent personality, providing fans with a memorable Easter egg that ties back to the character’s cult-classic origins. This voice role is a testament to Green’s versatility and adds a fun twist to the cosmic adventures of the Guardians.