Tyrion Lannister is portrayed by Peter Dinklage.
Tyrion Lannister ( also referred to as `` the Imp '' or `` the Halfman '' ) is a fictional character in A Song of Ice and Fire , a series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones . Peter Dinklage has garnered enormous praise for his portrayal of the character . In 2011 , Dinklage received the Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series and later the Golden Globe Award for Best Supporting Actor in a Series , Miniseries , or Television Film for his portrayal of Tyrion in the HBO series .