Oedipus complex desire (libido) for mother, and aggression towards father, student–collaborator Carl Jung counter-proposed that girls experienced desire for father and aggression towards mother via the Electra complex—derived from the 5th-century BC Greek mythologic character Electra, who plotted matricidal revenge with Orestes, her brother, against Clytemnestra, their mother, and Aegisthus, their stepfather, for their murder of Agamemnon, her father (cf. "Electra", by Sophocles). Moreover, because it is native to Freudian psychology, orthodox Jungian psychology uses the term "Oedipus complex" only to denote a boy's psychosexual development. In classical Freudian psychology the super-ego, "the heir to the Oedipus complex", is formed as the
Phallic stage psychologic dynamics of the parent and child relationship. The phallic stage is the third of five Freudian psychosexual development stages: (i) the oral, (ii) the anal, (iii) the phallic, (iv) the latent, and (v) the genital. In the Phallic stage of psychosexual development, a boy's decisive experience is the Oedipus complex describing his son–father competition for sexual possession of mother. This psychological complex indirectly derives its name from the Greek mythologic character Oedipus, who unwittingly killed his father and sexually possessed his mother. Initially, Freud applied the Oedipus complex to the development of boys and girls alike; he then developed