Serotonin. Ed Nygma . Season 1
Serotonin (/ˌsɛrəˈtoʊnɪn, ˌsɪərə-/[6][7][8]) or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter. It has a popular image as a contributor to feelings of well-being and happiness. Joanna Crane. A long time asset at the GCPD meets Jim Gordon and aids him and his partner Harvey Bullock as they try to rid Gotha...