Melody's characterisation in the animation fluctuated between a responsible big sister looking out for her twin siblings, and an overdramatic air-head who was quick to judge and accuse without having all the evidence. She was also musical, and the lead singer of the band, the Rockin' Beats - a set which had already been on sale in the UK since the previous year. In the comics, she also had this musical persona, but was less of a drama queen. The band was at the core of her activities, although she sometimes found it hard to find places to practice. Fellow classmate Ace (not produced) was known to like her, but she was not interested in him, prioritising the band over romance.

Melody's mother was a nurse and often worked long hours at the hospital, leaving her to babysit the enterprising Tingaling and Jingaling (not produced), as well as helping out with household chores. I don't recall her father ever being mentioned in the comic or the animation.