Connie is a young small framed girl with dark skin and waist-length dark brown puffy hair. She has a prominent nose, somewhat thick eyebrows and wears a pair of red lens-less glasses (after the events of "An Indirect Kiss"). She is slightly taller than Steven.
She's usually seen in a mint-green and white dress, along with a baby blue sash and lime green socks, as well as salmon-colored boots. In the intro, she wears a hat and has no socks. Her casual wear includes blue overalls with a green-striped white shirt; a green shirt and gray khaki shorts; white shirt which has a golden sun, with blue shorts and dark pink flats; pink shirt with blue shorts, and her boots; sleeveless periwinkle dress with a pale violet lace around her waist, and powder blue flats. For tennis practice, she wears the outfit she previously wore in "An Indirect Kiss" (the second casual outfit), along with a pale blue tennis visor and has her hair in a ponytail. Her formal outfit is a pale yellow mini cardigan, white top, black-gray leggings, and pink heels. Her snow wear is a pale blue coat with a thick white fur-collar, white mittens, and pale blue-colored version of her boots.
Connie has a bookwormish personality, generally being withdrawn and introverted, as well as curious and intelligent. Due to her parents lifestyle Connie rarely stays in one place for long and has been unable to form lasting friendships until she met Steven, and often feels lonely. Her parents are very strict and disallow her from common childhood activities (such as eating donuts or anything with trans-fat), this has led her to flat-out lie about Steven's non-nuclear family, due to paranoid at how they may react. Although despite her obedience to her parents she is not above exploiting loopholes (such as not buying snacks at a theater and instead bringing them from Steven's home).
Connie has grown used to the strange dynamic of her friendship with Steven despite her initial uncertainty to it, as in "Marble Madness" such as when the Gems destroy one of Peridot's robots in front of her, she reacts passively and only comments that she loves hanging out at Steven's place. She can be a bit deadpan at times, such as when she jokes about cutting off Steven's hand in "Lion 2: The Movie" and in that same instance quickly understands that by poking/tickling Steven she could provoke a reaction from Rose's Secret Armory. Her hobbies appear to include tennis and reading, she also plays the violin, as seen in "Fusion Cuisine".
Steven first saw Connie about a year prior to the start of the series during a parade. He saw her drop her bracelet, and decided to kept it in his freezer so he could return it one day. She also remembered seeing him on his father's float, mentioning the soap bubbles in his hair. He becomes her first friend, although Connie does sometimes feel like her life is rather mundane compared to Steven's. They are currently good friends, and share a mutual crush as seen in "An Indirect Kiss" and "Alone Together". Steven was even more heavily implied to have a crush on her in "Open Book", and it's also shown that she cares deeply for him in "Full Disclosure" as she repeatedly called and visited him to make sure he was okay, even going as far as to say she wanted to "be a part of his universe".
Connie is very loyal to her parents. While they tend to be strict, they want the best for her, and want her to be smart, orderly and healthy. She closely follows their orders, but does occasionally exploit loopholes or even lies to them to get away with something.
- Bubble Buddies (debut)
- Lion 2: The Movie
- Rose's Room (cloud)
- An Indirect Kiss
- Mirror Gem
- Ocean Gem
- Fusion Cuisine
- Alone Together
- Winter Forecast
- Marble Madness
- Full Disclosure
- Open Book
- Love Letters
- Sworn to the Sword
- We Need to Talk
|Connie wears a blue and white dress with an aqua colored belt to separate the top and bottom. She wears her glasses, an oversized hat, and pink boots.||"Theme Song"|
"Full Disclosure" (Photo)
|Connie wears a blue t-shirt and jean shorts. She wears her glasses and pink tennis shoes.||"An Indirect Kiss"|
|Connie wears a white and light green striped shirt and overalls. She doesn't wears her glasses and wears pink tennis shoes.||"Open Book"|
|Connie wears a blue t-shirt and jean shorts. She wears her glasses and pink tennis shoes and a sky blue visor.||"Mirror Gem"|
|Connie wears a t-shirt with a sun design on it and jean shorts. She wears her glasses and pink tennis shoes.||"Ocean Gem"|
|Connie wears a white and light green dress with a light green bow at the top. She wears her glasses and yellow socks with pink boots.||"Bubble Buddies"|
|Connie wears a pink t-shirt with jean shorts. She wears her glasses and pink boots||"Fusion Cuisine"|
|Connie wears a gray shirt with a white over shirt and gray dress pants. She wears her glasses and pink shoes.||"Fusion Cuisine"|
|Connie wears a light blue dress with a purple belt. She doesn't wear her glasses or shoes.||"Alone Together"|
|Connie wears a blue coat with white poof. She wears her glasses with light blue boots and white gloves.||"Winter Forecast"|
|Connie wears a light blue night gown with purple and white tips at the top and a white tip at the bottom. She doesn't wear her glasses or shoes.||"Winter Forecast"|
|Connie wears a yellow t-shirt and overalls. She doesn't wear her glasses and wears pink shoes with a pink cap.||"Marble Madness"|
|Connie wears a light blue dress. She wears her glasses and yellow dress shoes.||"Marble Madness"|
- Connie’s surname, Maheswaran, means “Lord of the Universe” in Hindi and is also traditionally a Tamil surname. 
- Connie appears in the title sequence as the "Mr. Universe" van drives by. She holds the book "A Wrinkle in Time".
- She is able to write backwards. This is seen in the very short amount of time it took her to write "Harpoon Gun" on the inside of the bubble in "Bubble Buddies."
- It is revealed in "Lion 2: The Movie" that Connie plays tennis.
- According to writer Matt Burnett, Connie is of Indian heritage. 
- Following the events of "An Indirect Kiss", Connie can now see normally without her glasses thanks to the healing powers in Steven's saliva. However, in order not to aggravate her parents and optometrist, she pops out the lenses of her glasses and puts the frames back on.
- It is revealed in "Mirror Gem" that Connie plays violin.
- In "Fusion Cuisine", it is revealed that Connie's last name is Maheswaran.
- Connie is the character with the most different outfits so far, though in some episodes she does wear repeated ones.
- In "Alone Together", she fused with Steven to create Stevonnie.
- She is also revealed to be embarrassed to dance in public.
- She lives out of Beach City, as shown in "Winter Forecast", when Mr. Maheswaran said: "I'm almost at Beach City, so start putting on your shoes."