US Senator Joe Lieberman (sometimes spelled as Leiberman) is referenced numerous times in Postal 2, but has never made an actual appearance. The easiest mode is called "Liebermode". When the Postal Dude dies or commits suicide, some people will say to "call Lieberman". On Wednesday, during the General Election, it is revealed that "Joe Leiberman" is running for the position of Wildlife Containment Officer as part of the Hippocritic Party, along with Habib who is running for sheriff. One of the posters placed by the religious cult in the Compound during the siege reads "Leiberman, God sees your lies". The Apocalypse edition of the Paradise Times on Friday says that "Lieberman blames Doom (famous FPS game)" for the sudden violence in Paradise.
- In real life, Joe Lieberman is a US Senator in Connecticut and today an Independant Politician.
- One of the main reasons why he is cameoed in the game is because he wanted to ban Postal 1 in 1997, because of its violence (as with Postal 2). He also sought to ban several video games that were violent, whom he said is "Dangerous for our children". In response, the ESRB responded to him and his party that the following video games he wanted to ban were not made for children, and tests were made that video games are better for our health than worse. In response, Lieberman apologized for his "errors" in 2010.
|Characters in Postal²|
|Postal Dude | The Bitch | Champ | Vince Desi | Mike J | Habib | Gary Coleman | Krotchy | Larry the Crab | Uncle Dave | Osama | Phraud Hogslop | Junkyard Guy | Earl | Rosco | T. Dude, Sr. | Lieberman | Zombie Dad | Easter Bunny | Zack Ward | Big McWillis | Yeeland | Old Man | John Murray | Milo Yiannopoulos | PU CEO | Two-Ears | That Beloved Bookcase|
|Law Enforcement Organizations|
|Police | SWAT | National Guard | ATF | Lawmen | Survivalists|
|RWS Protestors | Book Protestors | Rednecks | Butchers | Carriers | Vegetarians | Food Technicians | Game Devs | Gingers | Bandits | Survivalists|
|Civilians | RWS Staff | Robbers | Marching Band | Terrorists | Priests | Coleman's Crew | Religious Zealots | Postal Babes | Security Staff | Zombies | Skeletons | Cole-Men | HAAT | DEET | Robots|
|Dogs | Cats | Elephants | Cows | Monkeys | Dinosaurs|