Alien Serpo is the first extraterrestrial to appear in the manga *Dandadan*. He is based on aliens described in the real-world "Project Serpo" urban legend. Alien Serpo is a member of a species that consists only of males and relies on cloning technology for reproduction, which has halted their evolutionary progress. Driven by the desire to regain natural reproductive functions, Alien Serpo and his kind abduct and dissect humans to research their reproductive organs. He often targets human genitalia, and despite the strange and unsettling nature of his actions, he believes he is friendly towards humanity. Alien Serpo can use psychic abilities called "Six Senses" and performs unique rituals, such as crossing his hands in specific ways to unleash his powers. Each Serpo individual has unique personality traits, eye colors, and voices.
Alien Serpo typically disguises himself as an adult human male with an oversized head and a neatly parted hairstyle, always wearing an eerie smile. In his true form, he resembles a stereotypical alien — similar to classic designs with large eyes, but also featuring additional elements like large lips. His eye color varies among individuals. When in disguise, his pupils emit a glow. His internal body structure is mechanical, and cybernetic features are visible, such as openings that appear when using psychic powers.
Alien Serpo speaks formally, usually addressing earthlings with respect. He lacks an understanding of human ethics; his behavior and reasoning often appear emotionless and detached. This is due to inbreeding and the emotional decline caused by countless generations of cloning. Alien Serpo never questions the morality of his acts (which are quite brutal from a human standpoint) and sincerely believes that he maintains a friendly relationship with humanity. Concepts beyond science, such as "curses," are incomprehensible to him. However, he demonstrates an unexpected familiarity with Earth culture, for example, referencing urban legends and singing Japanese popular songs.
Originating from the planet Serpo, Alien Serpo and his species consist solely of males, reproducing exclusively through cloning. This reliance on cloning has led to halted evolution and a loss of emotional range within the species. To rectify this, Serpo aliens began abducting human men and women in an attempt to study natural reproduction, hoping to restore their own abilities.
Alien Serpo can use psychic techniques referred to as "Six Senses," and can release special psychic skills called the "Serpo Surveying Method" by arranging his arms in a cross-like (T-shaped) formation. He possesses advanced technology, including UFOs capable of disguising themselves as the moon, various modification machines for aliens and monsters, and devices for research and abduction. His mechanical reproductive organ, disguised as a "banana," is used for appalling experiments on humans and is capable of transforming into tools (such as scissors) for extracting organs. He is less combat-capable than other aliens in the series but compensates with exceptional intelligence and inventiveness. When three Serpo aliens come together, they can unleash the powerful "Amazing Zone," which can forcibly cancel transformations of main characters, although they become immobilized during its activation.
Alien Serpo is part of a group of aliens, each with unique personalities and attributes such as eye color and voice. Despite their shared mission, these individuals have distinct characteristics. One particular member, nicknamed "Serpo Rokuro," survives the death of his comrades and begins forming his own identity, eventually bonding with Momo Ayase and aiding her group.
- Alien Serpo is inspired by the American "Project Serpo" urban legend.
- Despite his lack of empathy, he displays surprising knowledge about human culture and urban legends.
- He often refers to reproductive organs as "bananas," leading to a number of memorable and bizarre phrases.
- Within the series, Serpo aliens serve as quintessential representatives of extraterrestrial life.
"Hello, human female. We are the Serpo Aliens. We are called that because we come from Planet Serpo."
"You, human male over there. Your entry is not authorized. Leave immediately. Otherwise... please give us your genitalia (banana)."
"Finally, we've met, human male."
"We came here because we want your genitalia (banana)."
"Please return it. That is our merchandise."
First Encounter
Alien Serpo first appears when he attempts to abduct Momo Ayase and Ken Takakura. While disguised as a human, he tries to lure them by posing as a harmless adult. His true motives and form are quickly exposed, leading to a battle between the aliens and the main characters.
Abduction Motives
Alien Serpo's group makes repeated attempts to capture human men and women. Females are subject to psychic manipulation, which enhances their sexual arousal and preps them for experiments involving mechanical genitalia. The aliens perform brutal extractions under the guise of scientific research.
Conflict and Defeat
Alien Serpo and his cohorts face resistance from Momo Ayase, Ken Takakura, and their allies. Their advanced technology and psychic powers prove formidable, but they are ultimately overpowered by the protagonists. Different Serpo trios appear at various locations—such as abandoned hospitals and schools—each featuring unique eye colors and personalities.
Aftermath and Evolution
Following their defeat, a new trio encounters the cosmic threat known as the "Abyssal One," who annihilates them. The sole survivor, "Serpo Rokuro," is named by Momo Ayase. As he spends time on Earth, he develops individual will, gets ostracized by his species, and chooses to support Momo and her friends.
Within *Dandadan*, Alien Serpo stands out as both a comedic and menacing figure, embodying the bizarre and unpredictable nature of extraterrestrial encounters. He remains one of the manga's most unforgettable alien representatives, often remembered for his outrageous lines and peculiar obsession with "bananas."
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