Mars-san (Mr. / Mrs. Mars), also called Tasei-sanKasei-san or just The Martian, is a Non-Effect NPC character found underground on Mars.

Mars-san is a tall, indigo creature with a single large eye and a single foot. It is found weeping near what appears to be a crashed locomotive.

Powers and Stats

Tier: Unknown | Likely 4-A

Name: Mars-san

Origin: Yume Nikki

Gender: Unknown

Age: Unknown

Classification: Martian, Dream Construct

Powers and Abilities: Superhuman Physical Characteristics, Immortality (Type 8. Reliant on Madotsuki. It will always come back, as she re-creates it subconsciously) | Reality Warping

Attack Potency: Unknown (Hasn't shown any feats) | Likely Multi-Solar System level, possibly higher (Made the Dream World, which has been seen containing several stars)

Speed: Likely Subsonic (Should be comparable to Madotsuki) | Unknown

Lifting Strength: Unknown

Striking Strength: Unknown

Durability: At least Wall level, possibly Mountain level to Multi-Solar System level (Could easily take hits from Madotsuki) | Unknown

Stamina: Unknown

Range: Unknown | Universal

Standard Equipment: None

Intelligence: Likely high

Weaknesses: None Notable


  • Created all of the Dream World

Notable Attacks/Techniques:

  • Item Creation: Could create a knife that would give the wearer the power to destroy anything in the Dream World

Key: Game | Manga


Notable Victories:

Notable Losses:

Inconclusive Matches: