You can, I'm sure.
yes
yes in 1926 a portrait of him was done by dominic PAPP
Yes, Dracula is Portrait of Ruin's true final boss.
Yes, Sirani painted a portrait of Beatrice Cenci in 1662.
Yes, Thomas Gainsborough painted a portrait of Nelson as a boy.
Yes, Gertrude Stein liked Picasso's portrait of her. She famously remarked that the portrait didn't look like her, but that it would eventually. This portrait is considered one of Picasso's masterpieces.
yes
Yes.
yes
yes, it was in the battle of monmouth
Yes, he painted several. Just Google 'Picasso self portrait', and you will see four of them.