Consider the back-and-forth that resulted when Mulhall contacted the city about becoming a freelance graffiti eradicator.
From the sfgate.com
Two Drashigs escape, but Vorg manages to kill them by fixing the eradicator, sabotaged by the mutinous tribunal members.
From the en.wikipedia.org
This fall, Mizer plans to call in a Minnesota outfit called Temp-Air, whose eradicator heats the room overnight to 130 degrees, killing the bedbugs but leaving students'belongings unharmed.
From the usatoday.com
So I took ink eradicator, erased my birth year from my birth certificate, rewrote the number and took the shabby looking paper to Chicago's city hall where a clerk never looked twice.
From the ocregister.com
More examples
Exterminator: someone who exterminates (especially someone whose occupation is the extermination of troublesome rodents and insects)
The Eradicator is a fictional comic book superhero (and sometimes supervillain) character having a recurring role in Superman stories published by DC Comics. Originally created as a weapon by an ancient alien race, he is over 200,000 years old and is considered an artifact of Krypton. ...
Eradicator is a 1996 science fiction computer game developed by Accolade for DOS.
McCulloch plays a squash obsessed executive, who walks around wearing a black hood, and never reveals his secret identity, calling himself "The Eradicator", which he often yells in a high-pitched voice while he plays his favorite game.