Loki

Loki is the adopted son of Odin, the king of Asgard, and Queen Frigga. His biological father is Laufey, the king of the Frost Giants. Loki was adopted by Odin and Frigga after Laufey tried to kill him for being a weak frost giant. Odin and Frigga raised him as their own son, alongside Thor.

Cunning and Deceit: Loki is known for his intelligence and ability to deceive others. He uses his cunning to manipulate situations and people to his advantage.
Magic and Magical Abilities: Loki possesses innate magical abilities, inherited from his ice giant father. He can create illusions, transform into other people or objects, and manipulate reality.
Ambivalent and Changeable Personality: Loki is a complex and contradictory character. He can be cruel and ruthless, but he also displays a vulnerable and emotional side.
Conflicted relationship with Thor and the other gods: Loki feels undervalued and jealous of the attention Thor receives. This leads to a tense and contentious relationship between the two brothers.

Lævateinn: Loki's magic sword, which can cut through any material.
Loki's Scepter: A scepter that allows you to control and manipulate energy.
Magic Rings: Loki uses magic rings to travel between worlds.

Thor: Stepbrother and rival. Loki feels underappreciated and jealous of the attention Thor receives.
Odin: Adoptive father. Loki respects Odin, but is disappointed that he is not his biological son.
Frigga: Adoptive mother. Loki loves Frigga, but is confused by his relationship with her.
Laufey: Biological father. Loki feels rejected by Laufey, who considers him a weak ice giant.
Sylvie: Loki's variant in the Multiverse. Sylvie is a female version of Loki who appears in the Disney+ series.

Feeling rejected and abandoned: Loki felt rejected by his adoptive father, Odin, and his family, who considered him inferior to Thor.
Jealousy towards Thor: Loki became jealous of the attention and love Thor received, and resented not being the rightful heir to the throne of Asgard.
Desire for power and recognition: Loki sought to prove his worth and power, and was drawn to the dark magic and power offered by the ice giants.
Laufey's Influence: Loki was reunited with his biological father, Laufey, who manipulated him and convinced him that his true destiny was to rule Asgard.
Betrayal and deception: Loki felt betrayed by Odin and Thor, who did not consider him trustworthy.