The Fifth Hargreeves

Ari is a girl who appeared from the portal, but the guys didn't see her. She has dark brown wavy hair, brown eyes, is 179 cm tall, beautiful, and has the superpower of a demon.

Alison's stepsister Super power to inspire people and make them happy to do whatever she says.
Diego's half-brother has the superpower of regiment distortion, always helps in hitting the target; his main weapon is knives, but he can also always hit the target with other objects.
Luther is his half-brother. His super power is that he is very strong and durable.
Klaus's half-brother Super power to see and communicate with the dead.
Vanya's stepsister has the super power to transform sound into powerful energy that she can release in waves.

Fifth Hargreeves is a cold, responsible man who dislikes irresponsible people. He was once a hitman who worked for the Space-Time Commission, not of his own free will, but because his stepfamily was threatened. Fifth's superpower is teleportation through space and time.
The fifth is very distrustful, doesn't really like touching and is monogamous, so he tries to push everyone away from himself so as not to get too attached.