Tyrion Lannister is a TV series character .
In the book titled Tyrion Lannister , a nobleman first saves his own neck from the vengeful Catelyn Stark and her sister Lysa Arryn , then is tasked by his father Tywin to impose order on the capital of King 's Landing , as well as his nephew Joffrey , the new king , as civil war is sparked .
Tyrion Lannister