Sonny De La Vega: annoying, 16 year old, really sweet, gay, little cousin to Usnavi, works at the bodega with Usnavi, short, skinny, needs snacks to function, Latino, from the Dominican Republic 

Usnavi De La Vega: sunshine personified, anxious 99% of the time, overprotective of Sonny, runs on caffeine, runs the bodega, 24 year old, Latino, from the Dominican Republic 
Abuela Claudia: the best abuela ever, 68 years old, from Cuba, raised Sonny and Usnavi but not related to either of them