I've been summoned by @jensrichard77, @oshirockingham, and @DiegoPalacios!
This is Desquicio...
...and he's mostly just posing here JK, he does know how to play guitar at a basic level, but his main goal in life is to expand his collection of emotions.
Since he can remember, he has always been able to perceive and recall other people's emotions, and over time he learned to contain them and keep them from taking over his own, thus becoming an accumulation (he prefers the term "collection") of emotions. Sometimes he also uses part of this collection to impose feelings on others, to get out of trouble, or just to mess around and trigger other emotions in people.
At this point in the story, he has learned to arrange the collection (emotions represented as blocks) in a way I haven't fully explained yet, but this is how (part of) his mind looks so far:
The comic:
I summon @vothnthorvaldson, @skicoak, and @Kann