Tatiana was the ex-wife of Berlin. It is unknown what happened to her.
Tatiana has reddish-brown hair.
Tatiana and Berlin get married in Berlin's Wedding. During the wedding, Berlin sings "Ti Amo".
She is a part of Berlin's first heist together with his prodigal son, Rafael.
- In an episode, Berlin said, "Isn't she the most beautiful woman you've ever seen?" to the Professor, referring to Tatiana.