Here is a list of top  alt comedians of all times 

1. Bill Hicks (1961-1994): Hicks was a dark, cynical comedian who was known for his thought-provoking humor. He was a pioneer of the alt comedy movement, and his influence can be seen in many of the comedians who came after him.
2. Doug Stanhope (born 1967): Stanhope is another dark comedian who is known for his taboo-breaking humor. His shows often deal with controversial topics, such as religion, politics, and death. He is not afraid to push the boundaries of good taste, and his shows can be both shocking and hilarious.
3. Louis C.K. (born 1967): C.K. is a master of observational comedy, and his shows are often both funny and thought-provoking. He is not afraid to talk about uncomfortable topics, and his shows often deal with his own personal experiences. He is one of the most popular comedians working today, and his shows are always full of laughs.
4. Sarah Silverman (born 1970): Silverman is an edgy, self-deprecating comedian who is not afraid to make fun of herself. Her shows often deal with her own personal insecurities, and she is a talented actress and comedian.
5. Patton Oswalt (born 1969): Oswalt is a versatile comedian who can do everything from observational humor to dark satire. He is a master of one-liners, and his shows are always full of quotable lines. He is also a talented actor, and he has appeared in many films and television shows.
6. Maria Bamford (born 1970): Bamford is a unique comedian who uses her own mental illness as material for her jokes. She is not afraid to be honest about her struggles, and her shows are often both funny and touching. She is a talented actress and comedian.
7. Todd Barry (born 1968): Barry is a master of one-liners, and his shows are always full of quotable lines. He is a talented actor and comedian, and he has appeared in many films and television shows. His humor is often dry and observational, and he is not afraid to make fun of himself.
8. David Cross (born 1964): Cross is a talented actor and comedian who is known for his political satire. He is not afraid to skewer politicians and celebrities, and he is a master of the one-liner.
9. Steven Wright (born 1955): Wright is known for his deadpan delivery and his absurdist humor. His jokes are often nonsensical, but they are also very funny. He is a master of the one-liner, and his shows are always full of quotable lines.
10. Marc Maron (born 1963): Maron is a stand-up comedian and podcast host who is known for his personal and often dark humor. He is not afraid to talk about his own struggles, and his shows are often both funny and touching.
11. Garry Shandling: Shandling was a pioneer of the alt comedy movement, and his shows were often both funny and subversive. He was a master of the observational joke, and he was not afraid to push the boundaries of good taste.
12. Richard Pryor: Pryor was one of the most influential comedians of all time, and his shows were often both funny and controversial. He was a master of the one-liner, and he was not afraid to talk about taboo topics.
13. Eddie Murphy: Murphy is one of the most successful comedians of all time, and his shows are always full of laughs. He is a master of observational humor, and he is not afraid to push the boundaries of good taste.
14. Chris Rock: Rock is another master of observational humor, and his shows are often both funny and thought-provoking. He is not afraid to talk about race and other controversial topics, and he is one of the most popular comedians working today.
15. Dave Chappelle: Chappelle is a unique comedian who is known for his absurdist humor and his willingness to tackle controversial topics. He is one of the most popular comedians working today, and his shows are always full of laughs.
16. Kristen Schaal: Schaal is a talented actress and comedian who is known for her deadpan delivery and her absurdist humor. She is not afraid to be weird, and her shows are often both funny and touching.
17. Jim Gaffigan: Gaffigan is a master of observational humor, and his shows are often both funny and relatable. He is not afraid to talk about his own flaws, and his shows are always full of laughs.
18. John Mulaney: Mulaney is a talented actor and comedian who is known for his clean humor and his clever wordplay. He is not afraid to talk about his own personal experiences, and his shows are always full of laughs.
19. Bo Burnham: Burnham is a unique comedian who is known for his self-deprecating humor and his musical comedy. He is not afraid to be honest about his own struggles, and his shows are often both funny and touching.
20. Lenny Bruce: Bruce was a pioneer of the counterculture movement, and his shows were often both funny and controversial. He was a master of the one-liner, and he was not afraid to talk about taboo topics.
21. George Carlin: Carlin was one of the most influential comedians of all time, and his shows were often both funny and thought-provoking. He was a master of observational humor, and he was not afraid to talk about politics and other controversial topics.
22. Steve Martin: Martin is a talented actor and comedian who is known for his dry wit and his absurdist humor. He is not afraid to be weird, and his shows were often both funny and touching.
23. Robin Williams: Williams was one of the most beloved comedians of all time, and his shows were always full of laughs. He was a master of improvisation, and he was not afraid to be himself.
24. Norm Macdonald: Macdonald was a unique comedian who was known for his deadpan delivery and his absurdist humor. He was not afraid to be himself, and his shows were often both funny and touching.
25. Tina Fey: Fey is a talented actress, writer, and comedian who is known for her sharp wit and her observational humor. She is not afraid to talk about her own experiences as a woman, and her shows are often both funny and thought-provoking.
26. Amy Schumer: Schumer is a talented actress, writer, and comedian who is known for her edgy, self-deprecating humor. She is not afraid to talk about her own experiences as a woman, and her shows are often both funny and thought-provoking.
27. Margaret Cho: Cho is a talented actress, writer, and comedian who is known for her edgy, self-deprecating humor. She is not afraid to talk about her own experiences as a Korean-American woman, and her shows are often both funny and thought-provoking.
28. Hannibal Buress: Buress is a talented actor, writer, and comedian who is known for his deadpan delivery and his observational humor. He is not afraid to talk about race and other controversial topics, and his shows are often both funny and thought-provoking.
29. David Cross: Cross is a talented actor, writer, and comedian who is known for his political satire. He is not afraid to skewer politicians and celebrities, and he is a master of the one-liner.
30. Steven Wright: Wright is known for his deadpan delivery and his absurdist humor. His jokes are often nonsensical, but they are also very funny. He is a master of the one-liner, and his shows are always full of quotable lines.
31. Marc Maron: Maron is a stand-up comedian and podcast host who is known for his personal and often dark humor. He is not afraid to talk about his own struggles, and his shows are often both funny and touching.
32. Doug Stanhope: Stanhope is another dark comedian who is known for his taboo-breaking humor. His shows often deal with controversial topics, such as religion, politics, and death. He is not afraid to push the boundaries of good taste, and his shows can be both shocking and hilarious.
33. Maria Bamford: Bamford is a unique comedian who uses her own mental illness as material for her jokes. She is not afraid to be honest about her struggles, and her shows are often both funny and touching.
34. Todd Barry: Barry is a master of one-liners, and his shows are always full of quotable lines. He is a talented actor and comedian, and he has appeared in many films and television shows. His humor is often dry and observational, and he is not afraid to make fun of himself.
35. Kyle Kinane: Kinane is a talented comedian who is known for his dry wit and his observational humor. He is not afraid to talk about his own experiences as a white guy, and his shows are often both funny and thought-provoking.
36. Chelsea Peretti: Peretti is a talented actress, writer, and comedian who is known for her sharp wit and her observational humor. She is not afraid to talk about her own experiences as a woman, and her shows are often both funny and thought-provoking.
37. Kumail Nanjiani: Nanjiani is a talented actor, writer, and comedian who is known for his deadpan delivery and his observational humor. He is not afraid to talk about his own experiences as an Indian-American, and his shows are often both funny and thought-provoking.