A ninja based character in the borderlands 2 game used as the assassin class known for dealing large amounts of critical hit damage especially when using a sniper rifle. Often speaks in haiku. His Special ability is called D3c3pti0n, which sends out a hologram to confuse enemies.
How hilarious. / You just set off my trap card -- / Your death approaches. ~Zer0
Sorry, did that hurt? / That "sorry" was sarcasm. / I am not sorry. ~Zer0
1 critical shot with deception has earned me an over 3 million damamge shot using Zer0's sniper skill tree