Monster in a Tree at Night by Mac McRae on July 14, 2018 in Monsters Monster in a Tree at Night This is monster Jack at the top of a tree making monster growl noises. Monsters love growling in the dead of night. They do it on windy nights with swirling oceans of stars spiraling over their head. About the Artist: I am a digital illustrator who paints whimsical monsters and other critters for logos, kid’s products and companies that are young at heart. Follow me on Twitter here.