the left one side in photo is daryl.
Daryl Say hello to the Redneck Warrior. While most "TWD" characters end up morally compromised or brutally killed, Daryl has become more badass and heroic as the story goes on. And all he had to do was lose his racist brother.

and 2nd character is rick.
Rick In a world where it's either survive or get your guts eaten out by your undead neighbors, is there any room for heroism? Rick's adventures have taken him far away from the path of the righteous man. But at least he usually looks sad about it.