hand-drawn alien face icon.ufo picture, flying saucer pilot.doodle style,simple minimalist drawing.fantasy cosmic sketch,line art.

alien art astronaut astronomy black character civilization contour cosmic cosmos creature discovery doodle drawn extraterrestrial eyes face fantasy fiction futuristic graphic green hand head humanoid icon illustration invader isolated line man martian monster object outline paranormal person pilot saucer science scifi sign simple sketch space spaceman spaceship symbol technology ufo universe vector