Marge Simpson's sisters Patty and Selma are known for their iconic blue hair, which they share with their sister Marge. The two sisters are often seen as the stereotypical "spinster aunts" in the show, with their love for smoking and their disdain for Homer Simpson. They are also known for their catchphrase "hello, Simpson," which they say in unison whenever they see their brother-in-law. Despite their gruff exterior, Patty and Selma have shown moments of vulnerability and sisterly love throughout the series.1. Marge Simpson's sisters Patty and Selma
Comic Book Guy, also known as Jeff Albertson, is a beloved character in The Simpsons with his own unique style. He is often seen wearing a blue t-shirt with the words "Worst. Episode. Ever." written on it. With his sarcastic remarks and vast knowledge of comics, movies, and TV shows, Comic Book Guy has become a fan favorite. He also has a head full of blue hair, which adds to his quirky appearance.2. Comic Book Guy
Professor Frink is the resident scientist in Springfield with his signature blue hair and thick glasses. He is known for his eccentric behavior and his inventions, which often go awry. His catchphrase "glaven!" has become a popular phrase among fans of the show. Despite his genius, Professor Frink is often portrayed as a socially awkward and clumsy character, adding to his charm.3. Professor Frink
Disco Stu is a minor character in The Simpsons, but his blue hair and disco-inspired attire have made him a memorable one. He is often seen dancing and listening to disco music, and his catchphrase "Disco Stu doesn't advertise" has become a popular quote among fans. Despite his love for disco, Stu is portrayed as a lonely and somewhat sad character, making him a sympathetic figure in the show.4. Disco Stu
Cletus Spuckler, also known as the "slack-jawed yokel," is a memorable character in The Simpsons with his blue hair and scruffy appearance. He is often seen with his many children and his wife Brandine, who is also his sister. Despite his simple and sometimes questionable lifestyle, Cletus has shown moments of intelligence and kindness, making him a beloved character in the show.5. Cletus Spuckler
Sideshow Bob, also known as Robert Underdunk Terwilliger, is one of the most iconic villains in The Simpsons with his blue hair and sinister laugh. He is the former sidekick of Krusty the Clown and has a deep hatred for Bart Simpson, often trying to harm him or his family. Despite his evil intentions, Sideshow Bob is a complex and entertaining character, with his love for opera and his constant schemes to take over Springfield.6. Sideshow Bob
Krusty the Clown is the beloved host of "The Krusty the Clown Show" in The Simpsons with his signature blue hair and red nose. He is known for his catchphrase "Hey hey!" and his love for slapstick humor. Despite his success as a TV personality, Krusty has a troubled personal life and is often seen struggling with his past as a failed comedian. His blue hair is a symbol of his wild and wacky personality, making him a fan favorite.7. Krusty the Clown
Groundskeeper Willie is the gruff and tough Scottish caretaker at Springfield Elementary with his wild blue hair and thick accent. He is known for his love for his homeland and his hatred for anything related to England. Despite his rough exterior, Willie has shown moments of kindness, especially when it comes to protecting the students of Springfield Elementary. He is a beloved character in the show, often providing comic relief with his antics.8. Groundskeeper Willie
Hans Moleman is a recurring character in The Simpsons with his iconic blue hair and thick glasses. He is often portrayed as a hapless and unlucky character, with his constant misfortunes and accidents. Despite his small stature and unfortunate luck, Hans has become a fan favorite with his deadpan humor and memorable catchphrases like "I was saying 'boo-urns'." His blue hair is a symbol of his quirky and endearing personality.9. Hans Moleman
Gil Gunderson is a salesman in The Simpsons with his unkempt blue hair and constant hard luck. He is known for his catchphrase "Can I borrow a feeling?" and his constant attempts to sell products to the residents of Springfield. Despite his lack of success, Gil remains optimistic and determined, making him a lovable character in the show. His blue hair adds to his disheveled appearance, making him stand out among the other characters in Springfield.10. Gil Gunderson