Ten years prior the Book 2 (three years before A Sim's Tale), Enrico was once Leona's neighbor in Twinbrook and had crush on her. Even though Leona was friend with his sister, Annie, but Leona apparently dislike Enrico's antics, she often called him weirdo. Despite this, it seemed that Leona was secretly admire and possibly also had crush on him.
Enrico and his family were moved out to the other town after one year living in Twinbrook. Leona gave her a handkerchief as a keepsake.
Ten years later, the Delgados moved in to Sunset Valley and reunited with their old friends, John and Lily Redfield, who came to help them unpacking their belongings.
In the next day during the weekend, Enrico was still asleep in his room when John and Leona came to made a visit. After Annie woke him up, Enrico greeted both the Redfields. Leona had her jaw dropped when seeing him for the first time after ten years and Enrico jokingly teased Leona by telling her that she slightly more feminine. Later, he and Leona were hanging out in Mirabello Plaza before went to Hogan's deep for dine.
Enrico later accompanied Leona in the gym until she went home. After saying goodbye, Enrico pedalled his bike quickly and didn't noticed that he dropped his handkerchief, which he still kept for ten years. Enrico's relationship with Leona became closer after he saved the girl from bullies.
During the prom, Enrico finally confessed his feeling on Leona in front of everyone in the party. Leona accepted, the two then kissed and officially became a couple.
After graduating from High School, Enrico decided to not enrolled in University, but planned to join Sunset Valley's police academy instead. However, Enrico had to wait for two years until he finally able to joined the academy.
After six months training, Enrico graduated from the academy and officially became a police officer as a traffic cop.
According to Leona, Enrico was an antic as a child. It made Leona slightly annoyed to him, despite she secretly admired him. Ten years later, Leona found that Enrico had been changed a little, slightly more matured then when he was a child.
According to Annie, Enrico had a habit of sleep-talking. It was happened several days after they moved to an unknown town years prior Book 2. When Annie told this to Mortimer, Enrico was embarrassed.
Enrico also deeply cared about Annie, when he knew that his sister went to prom with Andrew Gerardo, Enrico had no other choice except joined them in the prom, despite he originally didn't plan to attend. Enrico simply stated that he want to make sure that Annie "found a right man".
- Enrico is a fan of Queen with his favorite song being Bohemian Rhapsody.
- Originally, Enrico would have had a Spanish accent, but I dropped that idea.