"FLCL" is not a movie; it is a six-episode anime series created by Gainax and Production I.G, originally aired in 2000. The series combines elements of science fiction, coming-of-age, and surreal humor, following a young boy named Naota and his encounters with an enigmatic woman named Haruko. "FLCL" is known for its unique animation style, eclectic soundtrack, and complex themes, making it a cult classic in the anime community. A sequel series, "FLCL Progressive" and "FLCL Alternative," were released later.

"Chainsaw Man" is not directly based on "FLCL," but both series share thematic and stylistic similarities, such as their unique blend of surrealism, dark humor, and coming-of-age elements. "FLCL," an anime known for its eccentric storytelling and visual style, influenced many creators in the anime industry. "Chainsaw Man," while having its own distinct narrative and visual identity, has been noted for its dynamic action and emotional depth, reflecting some of the innovative storytelling techniques seen in "FLCL."

FLCL stands for "Fooly Cooly." It is a Japanese animated series created by Gainax and Production I.G, originally released in 2000. The title reflects the chaotic and surreal nature of the show, which follows a young boy named Naota Nandaba as he encounters a mysterious woman named Haruko Haruhara and gets drawn into bizarre events involving robots, alien conflicts, and coming-of-age themes. The series is known for its unique animation style, eclectic soundtrack, and rapid pacing.