Her first name, "Eleanor", means light, and was the name of lot of royalties from the midievel period. Her last name, "Forte", means strength, and references the musical dynamic, f (forte), which is used to represent a degree of loudness in music.
The sealing wax and tied ribbon on the design are inspired by hand-written letters. The thread around her pinky is inpisred by the red thread of fate, that indicates that if two people are connected by a red thread they are destined to meet each other. Her dress is inspired by dip-pens.
In an interview with Vocaloid News.net, because Eleanor's voice used to be more mature and have a larger head-to-body ratio, Kanru said that he was afraid that her design wouldn't fit her voice. However Kanru modified the voice to fit the design more in early August and was relieved that, after the modification to her voice, the design and voice matched.