Here is the full list of all 12 Shank (EU) trophies - there are 7 bronze, 4 silver and 1 gold.
Complete Single Player Campaign on Hard Mode
Complete Single Player Campaign on Normal Mode
Defeat Cesar
Defeat The Priest
Complete Co-op Campaign Mode
Take out 1000 enemies
Defeat Cassandra
Defeat The Butcher
100 Chainsaw kills
Defeat El Raton
Take out 100 enemies
Take out 20 enemies