>>56140349Id: the primordial, animalistic instincts you are born with, yet to be filtered by conscience. Waifumons are prefered when the masculine mind's desires are unchecked.
Superego: idealism, objectmons often symbolize abstract concepts unbound from earthly pleasures. It seeks to restrain the desires which distract from higher goals.
Ego: balance between the two, necessary to maintain your sense of self grounded in practical reality. Represented by Kaiju's in the male's case, it's not about what you desire anymore, but about recognizing your masculine worth.