Liam McKnight, born in 1959 and turned into a vampire in 1987, was a nest mate of Malcolm and Diane Hardwicke on the HBO original series True Blood. Played by Canadian guest starring actor Graham Shiels, Liam makes his debut in the series' premiere episode, "Strange Love", in the series' first season. Serving as a minor antagonist through the same season, Liam met an untimely demise in the Season 1 episode "Burning House of Love". Liam is a vampire living in Bon Temps, Louisiana. While…