Bibi69 made one of these on TWD spot and I thought It was a great idea, so here is one for Preacher.
From characters, to couples, to friendships, to family bond, to actresses/actors.

Actors/Actresses
link {Jesse Custer}
link {Proinsias Cassidy}
link {Tulip O'Hare}
link {Emily Woodrow}

Relationships (Couples, Family & Friends)


Characters
link
link

If you know of any more, please post a link so I can add it to the list. :)