. Marcy was a founder of a girl dance group called Gamer Girls Elite Crew or GGEC
Marceline is a tough one, she have to be tough for the sake of her sister, to protect her from harm like her Auntie named Deborah.She also shows her friendly and caring to her friends(Especially to Cassia which both of their fathers are great friends).
Marcy has a straight dark brown hair,a hazel eyes and a fair skin.She appears to be skinny and flat-chested girl.
Dancing- One of her greatest pleasure..She loved dancing at the young age, Her mother takes her in any dance classes that gives her improvements.. That's why she made the GGEC to join her own passion..
Animes- Marceline loved Animes due to her older cousin Jean who watch Detective Connan when he was young..This making her an Otaku..
Family- Marceline was a family-oriented..But not like Calliope who is quiet clingy to them..
Calliope's Suitors-She always hated her suitors which is quiet narcisstic and self-centered..They even want to break her relationship between Jamie and Calliope!
Marcy's family are close each other.Marcy's one of her closest familiy member is her father,Piers...Marcy was also the cousin of Tavros and Rufioh,Marcy treat them as her brothers..She's the older twin sister of Calliope Nivans.
Marcy adopted a chow chow named Finn,she adopted him after her first' pet's death..
.She has also a big rivalary to Abigail Cage due to her mouth problems that drives her mad and intention to whack her face..
Marcy has a love interest with Alois Castellanos, at first she doesnt feel something for him but when they are getting closer, a feeling developed.