"Walking Dead Call Daryl T Shirt Crossbow carrying Daryl Dixon has become the go-to guy when the gang from The Walking Dead TV series needs to kill some zombies, as shown on this funny Walking Dead t shirt! The Walking Dead Call Daryl T Shirt is olive green with an image of a crossbow above the words ""Keep Calm and Call Daryl,"" a play on the World War II-era British morale-building phrase ""Keep calm and carry on.""".