sychotic depression, which occurs when a person has severe depression plus some form of psychosis, such as having disturbing false beliefs or a break with reality (delusions), or hearing or seeing upsetting things that others cannot hear or see (hallucinations).
(Ha! My childhood explained)
Bipolar disorder, also called manic-depressive illness, is not as common as major depression or persistent depressive disorder. Bipolar disorder is characterized by cycling mood changes—from extreme highs (e.g., mania) to extreme lows (e.g., depression).
(Me)
Want to know more: http://www.nimh.nih.gov/health/publications/bipolar-disorder-in-adults/index.shtml

On a side note I’m getting back into my original love: character design 😀