Identify object on keychain (left). Also identify reason for said object’s infamy. Quote on right should be clue.

Cracked by almost everyone!

foobar, shrik, Srichand Pendyala, madhur, Goyal, Rahulk, Rahul, Kaiser Soze, jayanth, shenoyvarun86, scamlal, Dibyo, KRIK, x3n, Ps, duriel, Raghuvansh, AmK, p vs np, alephnull, Mitesh, Ananth, Nakul, Siddharth Jain, varuns88 and Prasad