headless man with halloween pumpkin standing on graveyard silhouette sketch doodle hand drawn with black lines

abstract advertising autumn background banner bats black card castle celebration cemetery concept creative creepy dark darkness design doodle dracula drawn event evil fall ghost gothic gravestone graveyard greeting halloween hand haunted headless holiday horror illustration invitation isolated lantern lines man moon mystery night october party poster pumpkin scary silhouette sketch spider spooky standing style treat tree trick vector white