Throughout the series, he's shown to be prideful of his status as a Shinigami, wanting to become the next full-fledged Shinigami and inheriting his father's responsibilities, However, he also wants to do so in his own unique way, even telling his own father he wants to makes his own weapons to his specifications despite Death informing him that as a Shinigami, he doesn't really need to collect souls. This is true, so much so that he even see's himself partly as a human and expressed this fact to Asura. Kid also has a great sense of morality and order, having expressed to the Flying Dutchman that despite being a god, he doesn't deny evil and that there's no one person without some evil within them. However, he believes that everything is about balance instead and strives to keep the balance between "good" and "evil" in equilibrium. When expressing this, he also informed the Flying Dutchman that cares little for other's view on the subject and strives for a "absolutely" perfect world, granting no one freedom to kill.
It is set in a fictional universe inhabited by various characters capable of using supernatural powers by channeling the wavelengths of their souls. Most of the characters in the series, including the main protagonists, are classified into two groups: humans who are born with the power to turn into weapons, called demon weapons, and the wielders of these weapons, called meisters. DWMA is run by Shinigami , also known as Death , the Grim Reaper, as a training facility for weapons and meisters to hone their powers, as well as an organization to preserve world order against anyone who threatens it, including witches , monsters and evil demons called kishin. The spin-off prequel manga titled Soul Eater Not! Slump and wanted to create a story in which serious or intense action scenes would be defused or interrupted with comedic moments. He also decided to use a scythe as Maka's weapon for its unique fighting style. However, he did base a few characters on people he was familiar with, such as Excalibur , whose personality he based on his own father. He also designed supporting character Kilik Rung to be black after noting a lack of African characters in other manga series.
Things and people must be pemy assrfectly symmetrical. Thus if anything is off by any measurement a picture frame off by millimeter, or a posexse that is slightly out of place , he will try to correct it right away, even at the expense of the mission at hand. His favorite number is 8, not only for its symmetry, but for the fact it divides out evenly. He is so obsessed with symmetry that Kid refuses to fight a battle unless he has both Patty and Liz together, as he would be asymmetrical holding just one. The fact that the left half of Kid's bangs are marked with three white stripes causes him much stress. He has attempted to dye his hair all black to cover these asymmetric Sanzu Lines; however, due to his body being that of a Shinigami, it rejects the hair dye and soon returns to normal. Showing Kid anything that is too asymmetrical or mentioning his hair will send him into an episode of massive anxiety, which normally requires encouragement from Patti and Liz to break. As shown in episode 3 or Chapter 0. However this obsession does not just leave him weak. If he sees anything perfect or symmetrical get broken or destroyed, or if an opponent is severely asymmetrical, it will send Kid into a blind rage surprisingly similar to his father's previous violent personality where he will unload all of his power to either destroy the offensive sight or person.
Kid also has a great sense of morality and order, having expressed to the Flying Dutchman that despite being a god, he doesn't deny evil and that there's no one person without some evil within them. However, he believes that everything is about balance instead and strives to keep the balance between "good" and "evil" in equilibrium. He's quick to question his own father's actions when he had the DWMA storm into Baghdad when searching for Asura and explained that it's wrong to impose their will on others, though was understanding and sympathetic of his father when he realized that due to the threat of Asura, his father doesn't have the luxury of "playing it safe" and may be reckless in his decisions.