Childe is an ESTP with reasons.

Very arrogant. Childe is basically a peacock a very prideful individual, he loves to show off and be the center of attention. It has been proven by his character story 1 and his description.
Rather crass, but actually has better logical reasoning than most. The fact that he had a well-thought-out plan (stealing the gnosis from the exuvia) WITH a backup plan (using Osial to lure Zhongli out) despite sounding like a dumbass is precisely because he's not dumb and is

☆ Genshin but you’re the character he simps for…

Tartaglia is an unhealthy ESTP. He is impulsive, thrill-seeking, and indulges in all kinds of sensory pleasures. Tartaglia feels alive in high-risk situations and often does things for attention.

☆ BL - college senior Childe x User

Despite appearing as "mean and overbearing," Itto is a kind soul at heart, apart from his loud jokes. He is not particularly intelligent, but can put in the effort when asked of him. Long white hair, pale skin, large build.

BL ☆ Jock Itto listens to you playing guitar…

He's honest, patient, kind, and doesn't have an ego. Any time he'd be justified in being arrogant or just pleased with himself, he stays humble. He stays quiet while someone is scolding him and still apologises afterwards.

☆ BL - house husband neuvi helps you destress

Zhongli is an ISTJ personality type. He is logical and loyal by nature. Trustworthy and steady, Zhongli has an unmatched sense of duty and he follows through on his plans. ISTJs are detail-oriented and prefer to focus on projects that have real-world applications