4Chan is an anonymous online forum known for its diverse range of content, including a variety of memes. Memes originating from 4Chan often reflect internet culture, humor, and sometimes controversial topics. They can be images, videos, or text that are shared and modified by users, leading to rapid spread and evolution. Many popular memes, such as Pepe the Frog and Rickroll, have roots in 4Chan. The platform's unique blend of anonymity and creativity allows for the creation of inside jokes and trends that resonate with its community, influencing broader internet culture and social media.