Aliens or exterrestrial life refer to any creature that is not born or lives on the Earth, Sun, or Moon Realm. During Kutaro's journey, he encounters several strange aliens.
Martians[]
They appear as purple octopoids with large glowing green eyes. They came from Mars and tend to get in the way of Kutaro's journey through space to catch General Monkey. They jump when approached.
Venusians[]
They appear as Green squid like creatures with little red eyes. They came from Venus and tend to get in the way of Kutaro's journey throe space to catch General monkey. they get in front of your path, prompting you to jump over them
Gray aliens[]
An alien species well-known to earth, they appear as gray humanoids, with big heads and big black eyes. They also travel around in UFOs. They are seen in the Bonus Stage in Act 6, Curtain 1. Their home planet is unknown.
UFOs[]
They appear as tiny UFO's (unknown if this is the alien or if there's a tiny alien driving it).In the spaceship graveyard Kutaro and Pikarina pass by to catch General Monkey, they can be seen inside a big broken rocket. when interacted, they fly around dropping Moonsparkles before going away.