He is mostly bald, with gray hair on the sides.
He normally seems placid, but his expression turned angry when he was asked about the will.
When the will was read and it gave him and the sons nothing, he became so angry he tore up the will.
Scooby-Doo (DC Comics)
Fortunately he saved the pieces, because there was a treasure map on the other side. He was a possible suspect to be behind the Phantom Hound.