Mellos is a stalwart scholar and healer, and a voice of reason on the king's Small Council. He is dismissive of conventional medicine, mostly relying on leechings. He studied at the citadel and is working for House Targaryen. Although he is loyal to Ser Otto Hightower. He is the one who had to cut out the baby from queen Aemma's womb. Killing both mother and child. That never has to be done with the next queen, Alicent Hightower, who's 4 children Mellos delivers