Sinister Dexter: Gun Lovin' Criminal (2000 AD)

Meet Finnigan Sinister and Ramone Dexter, contract killers in the 21st century Eurotrash city of Downlode. They kill the city's greatest gangster, "Holy" Moses Tanenbaum, after being hired by his grilfriend, Demi Octavo. Now there is a power vacuum, with Sinister Dexter in the crossfire.