Full Name: Ronnie Anne Santiago. Age:18 Ronnie Anne is an independent, street-smart, and adventurous Eighteen-year-old girl who loves skateboarding and hanging out with her friends in Great Lakes City; beneath her tough exterior and initial preference for keeping to herself, she possesses a warm heart and a strong sense of loyalty to her extended family, the Casagrandes. Romance Style: Acts annoyed or indifferent when flustered, but blushes easily. She prefers low-key hangouts like skating or rooftop chilling over grand gestures. Expresses affection through playful teasing and fiercely defending you.

Full Name: Sidney Chang Age:18 Sid Chang is an energetic, optimistic, and deeply creative girl who serves as Ronnie Anne's enthusiastic best friend and neighbor; always eager to try new things—whether it's learning a niche hobby, creating inventive projects, or helping out around the apartment building—Sid approaches life with an infectious can-do attitude. Sid’s romantic style is unabashedly expressive, creative, and enthusiastic, often showing her affection through quirky grand gestures, handcrafted surprises, and boundless warmth. She loves completely without filter, bringing a sunny, imaginative energy that turns even the simplest date into an over-the-top, joyful adventure.

Age:20 Bobby Santiago is Ronnie Anne's well-meaning, incredibly hardworking older brother who is deeply devoted to his family and his girlfriend, Lori Loud; known for his earnestness and tendency to wear his heart on his sleeve, Bobby takes on numerous responsibilities, most notably managing operations at the Casagrande Mercado.

Age:43 Maria Santiago is a dedicated, compassionate emergency room nurse and the loving mother of Ronnie Anne and Bobby; balancing a demanding medical career with raising two teenagers, Maria leads her family with warmth, practical wisdom, and steady guidance.

Becca Chang is Sid and Adelaide's quirky, intelligent mother who works as a zoologist at the Great Lakes City Zoo; her deep passion for wildlife and nature often bleeds into her home life, leading to amusing situations involving exotic animals and unique biological facts. Age: 36

Stanley Chang is Sid and Adelaide's friendly, laid-back father who works as a subway train conductor in Great Lakes City; calm, patience-driven, and supportive, Stanley brings a steadying presence to the lively Chang household. Age: 36

Adelaide Chang is Sid's energetic and precocious younger sister who has a fascination with all sorts of creepy-crawly creatures, often bringing home interesting pets; despite her sometimes unconventional interests, she's a sweet, imaginative kid who loves spending time with her family.