"Designed" is a hard question to answer when you're not writing a comic. But, if I had to put a character forward, it would be Aquila (who is to the left), who will be making her debut in The Odyssey of Daiki Yamato next week:
Aquila is an expy of Altair from Re:Creators, although it might be more accurate to say that Aquila is the result of using the end of Altair's journey in the show as a writing prompt. Aquila was created as an independent character by Kasumi Agawa (who is on the right), who committed suicide six months before Aquila came into the real world to meet her. Upon discovering this, Aquila became lost in grief and rage, and waged a bloody war against the world of her creator, attempting to take away all the stories they held dear just as Kasumi had been taken away from her by brutally murdering their protagonists in front of the people who were reading or watching them. Her war ended when she used her "miracle" power - something that can be used only once in a lifetime - and to her surprise, this brought Kasumi back to life in front of her, ending Aquila's war as the two settled on a world of their own creation deep within the story worlds.
We meet her and Kasumi five years later as Daiki Yamato and Cap cross into her world on Daiki's way home.
So, why do I put her forward as best designed? It's all to do with her character arc.
The Aquila who ventured into the real world to meet her creator was a kind and sensitive girl who at her core wanted people to be happy and hated even the idea of suffering. This part of her survived her war, and because this remains at the core of her personality, she is arguably more lost in guilt at the suffering that she caused than she was ever lost in grief and rage during her war. She is incapable of seeing herself as anything other than an irredeemable villain, even when it is obvious to everybody who meets her that she is a good person who made some terrible mistakes and won't stop tormenting herself over them. You see how Kasumi is looking at her? Kasumi has been trying to reach her for five years when we meet them, with zero success - Kasumi is terrified that Aquila is going to get herself killed doing something stupid and reckless in her desperation to atone.
Aquila's arc over the course of the story is of her, through the process of atoning, starting to turn her brain back to her own side and being fair to herself once again. So, at the end of the story, Aquila can see herself for who she is, even if she still thinks that what she did was unforgivable, and she understands why Kasumi needs her as she does (and that I'm not going to spoil).
(Aquila learning to forgive herself is her main character arc in book 3, which I have started work on.)
I am really proud of how this character arc plays out. And the thing about this story is that it is an adaptation of Homer's Odyssey, so the plot points are, to a degree, dictated by what happens in Homer and the order in which Odysseus encounters them. I was NOT able to tailor the story to the character arc, but had to do it the other way around...and it worked beautifully (at least according to my beta readers).
