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, Thomas Gainsborough painted a portrait of Nelson as a boy.
Yes, Sirani painted a portrait of Beatrice Cenci in 1662.
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, it was in the battle of monmouth
yes
Yes, he painted several. Just Google 'Picasso self portrait', and you will see four of them.