The Greek left-back's circle of acquaintances includes ex-Red Pedro Chirivella, who spent seven years on Merseyside before leaving earlier this summer.
The pair struck up their friendship while both out on loan at Eredivisie side Willem II for the 2017-18 season, bonding over coffee and meals outside of first-team football life.
Naturally, Chirivella was ecstatic when news of Tsimikas' transfer from Olympiacos was confirmed on Monday evening.
"We used to hang out a lot after training and it's a friend that I will take for life," the Spaniard tells Liverpoolfc.com. "I'm very happy.