Debian release code names are derived from the names of characters in the movie Toy Story. Here is a list of Debian releases accompanied by images of their corresponding Toy Story characters,

Debian 1.1 Buzz

Debian 1.2 Rex

Debian 1.3 Bo

Debian 2.0 Hamm

Debian 2.2 Potato

Debian 3.0 Woody

Debian 3.1 Sarge

Debian 4.0 Etch

Debian 5.0 Lenny

Debian 6.0 Squeeze

Debian 7 Wheezy

Debian 8 Jessie

Debian 9 Stretch

Debian 10 Buster

Debian 11 Bullseye

Debian 12 Bookworm

Debian unstable Sid