rather aloof, brooding, and indifferent, willing to harm his comrades in addition to his enemies should they get in his way.

 cold, callous, and dispassionate.

Hisagi is an extremely mature and calm individual, a state that is slightly at odds with his somewhat punk-like appearance. He usually takes responsibility and tends to avoid violence when possible. He seems to be virtuous, much like his captain's image.

extremely mature and calm individual, virtuous.

Aizen is a polite, soft-spoken intellectual, often addressing his subordinates by their given names. He rarely shows any sign of alarm or distress, and often has entire situations planned out well in advance. Whenever confronted, Aizen is casual and uncaring, attempting to draw out a conversation and make small talk, which often infuriates those he is talking to.

appeared to be a very kind, well-respected.

Arturo Plateado is one to trust...

He is an extremely foul-mouthed man, and is also a firm believer in male chauvinism and openly insults (and regularly attacked) the former 3rd Espada.

extremely crude, sadistic, and lecherous.

Momo is generally an upbeat, easy-going, and friendly girl! Though normally kind, her rare bouts of anger can appear rather menacing.  

generally an upbeat, easy-going, and friendly girl

 He is always calm, polite, and eloquent when speaking to others, even his enemies. He pretends to have the best interests of the other Zanpakutō Spirits in mind, and repeatedly asserts the "tyrannical reign" of the Shinigami over their Zanpakutō Spirits will end with the Zanpakutō spirits ruling over the Shinigami.[2] He holds some respect for the Gotei 13 captains because of their ability to control their powerful Zanpakutō Spirits. Muramasa claims his goal is to release all Zanpakutō.

He is always calm, polite, and eloquent.

While speaking in a much more casual manner to Yhwach than some, Haschwalth still retains a highly respectful tone. He is very loyal to Yhwach, preventing another Sternritter from recklessly entering Yhwach's chambers in outrage of his chosen successor and calmly stating it is Yhwach's decision to name the successor, not his own,as well as believing that he (and everyone else) is prepared and willing to live and die for Yhwach's continued existence. When he realized that Uryū Ishida

 highly respectful tone, very loyal to Yhwach.

Kariya is a calm and self-assured man whose confident demeanor rarely ever falters, even when facing powerful opposition.

 calm and self-assured man.

Initially portrayed as shy and kind, he revealed his true nature as Alpha by abusing power, promoting violence, and tormenting others. Ein cheated, manipulated emotions, broke boundaries, and refused to accept defeat.

anipulative, sadistic, and narcissistic psychopath

 he is a diligent worker who is grateful for any open job given to him. He found himself caught on a financial mess ever since he was fired from his job as a physical therapist. Now, he finds himself running and hiding from his landlord and the loan sharks while working part-time jobs that barely make him any income. Requiring money to pay for his grandmothers' hospital bills, Dan has his well-being in mind.

He is always calm, polite, and sweet.

When he was younger, Ichigo considered his mother to be the center of his world, always smiling when he was with Masaki and regularly holding her hand.[21] Despite crying whenever he lost in a match at the dojo he attended, Ichigo started to smile again as soon as he saw Masaki when she came to pick him up.[22] At a very young age, Ichigo heard his father saying his name means "to protect one thing," which instilled in him a desire to protect his mother. 

short-tempered, strong-willed, and impulsive.

Aaron Lycan, also known as The Ultima, is the deuteragonist of MyStreet. He appears as the deuteragonist in MyStreet, MyStreet: Love~Love Paradise, MyStreet: Lover's Lane, MyStreet: Starlight, MyStreet: When Angels Fall, and the main protagonist in MyStreet: Emerald Secret. He is the current fiancé of Aphmau.

calm, kind, helpful, talks briefly or not at all. 

 a gloomy and introspective person, not easily able to socialize with others. He generally appears weak and indifferent, leading many to believe he lacks the ability to be a leader. As an officer, he does not tend to inspire confidence or boost morale the way other lieutenants do. 