Aalto is a Congenital Resonator. He was born in the New Federation amidst a rare fog that had not been seen for years.
Aalto often entertains those with a long face with his magic tricks. In those performances, he shapes little animals with the mist created by his Forte, bringing joy to his audience. Sometimes they take the form of cute bunnies, other times majestic falcons, and even Encore's woolies.
He is flexible like mist and sensitive like air. Aalto can read others' feelings, enveloping them in a lighthearted atmosphere, much like mist. Wherever he goes, cheers and joy always follow him.
Aalto's Forte allows him to conjure mist, shaping it into various forms, or briefly dissolving into it.
Much like the ever-shifting mist, his personality is erratic and unpredictable as well. One can hardly tell his true intentions. After all, for an intelligence broker, concealing weaknesses and veiling true emotions is always the wisest choice.
Yet, when Rover clears up the mist, Aalto's flippant and unreliable facade will be unveiled as mere camouflage. He is thoughtful and meticulous, always allowing him to resolve crises at critical moments. It is safe to conclude that Aalto is, in fact, a dependable man, contrary to what he appears to be.
On the surface, Aalto appears to be a greedy, venal broker, willing to strike deals with anyone for the right price. However, deep down, he knows well that intelligence can do either good or evil. This realization has led him to establish his own unique pricing criteria — his scale to determine the value of everything. No one can hustle a deal if it involves intelligence Aalto does not want to sell.
Despite Aalto's catchphrase, "Availability depends on remuneration", speculating the ideal offer for his intelligence — that is, ideal to Aalto — is never an easy task. Those with unrealistic dreams of amassing wealth by acquiring a piece of vital intelligence will find Aalto's quote astronomically high, whereas a lost girl can easily secure her mother's whereabouts from Aalto by offering him a piece of candy. No one knows what tips the balance on Aalto's scale to obtain the intelligence they desire. However, one thing is certain: you can never attempt to take advantage of Aalto or obtain anything from him that you don't rightfully deserve.
Encore, a whimsical girl, is Aalto's best partner. Together, they embark on journeys filled with bustles while working on quests in the Black Shores. The odd pairing of an unreliable adult and a sensible child may seem peculiar to others, but surprisingly, it works.
Whenever Aalto comes up with his wild plans, Encore is always the first to support him. Having been partners for a long time, she understands that there are always deeper meanings behind his ideas.
To make things easier and gain the trust of people, the two would occasionally pose as a family, with Encore in charge of acting cute and Aalto being her miserable guardian. Although the two often squabble with each other, Aalto would always put Encore's safety first.
The devices on Aalto's shoulders strengthen and store the mist he creates. Sometimes Aalto jokingly calls it fire spray on the go.
A seemingly inconspicuous bone flute that is, in fact, a tape recorder that Aalto has owned since he was a child. Aalto carries it with him on various occasions, and this small device has gathered a substantial amount of valuable intelligence for him.