How many real members are in the Gorillaz who they and what four play characters?

The Gorillaz is a virtual band created in 1998 by Damon Albarn, co-founder of the virtual band Blur, and Jamie Hewlett, a British comic book artist and Gorillaz co-creator. The band consists of four animated characters:

2-D: The vocalist of the group, 2-D is known for his iconic blue hair, childlike personality, and love of tea.

Murdoc Niccals: The bassist and self-proclaimed leader of the band, Murdoc is known for his arrogant and eccentric personality.

Noodle: The guitarist of the Gorillaz, Noodle is a Japanese girl who was rescued by the band and trained in martial arts.

Russel Hobbs: The drummer of the Gorillaz, Russel is a cynical and introspective character who is known for his love of hip-hop music.

While the Gorillaz is a virtual band, it does have real-life members who contribute to the music and creative direction of the project. These members include Damon Albarn, who provides vocals, keyboards, and guitar, as well as a variety of other musicians and collaborators who contribute to the band's sound.