The Melancholy of Haruhi Suzumiya is one of the most fondly remembered anime of the early 2000s. Based on a series of light novels, the show is a cultural phenomenon that's commonly seen at conventions and anime stores, with Haruhi herself being one of the most recognizable anime characters of the early 00s.
Source:https://www.cbr.com/melancholy-of-haruhi-suzumiya-best-moments/