How Did Android 18 and Krillin Have a Baby? Explained

android 18 krillin baby

The world of Dragon Ball leaves plenty of room for questions amongst fans, from the somewhat alien Saiyan race to scientific creations and everything in between – plus, more recently, gods and angels as well. As a result, countless fans have been wondering how Android 18 and Krillin had a baby.

Android 18 is technically a Cyborg, being a human before Dr. Gero’s experiments. She still has various human functions and components, although many were altered or removed by Dr. Gero. It is presumed that her female reproductive system was left intact, allowing her to have a baby with Krillin.

While Android 18 and Krillin having a child might seem incredibly confusing, it is actually pretty straightforward once you understand the genetics behind it. Stick around to find out everything you need to know about Android 18, including her background as well as how she managed to have a child with Krillin.

Android 18 (Origins)

When fans first met Android 18, she was quite an enigma, and the storyline didn’t give many leads as to what gave her such incredible power – at least, at the very beginning. All that Dragon Ball fans knew for sure is that she was a product of Dr. Gero, created to serve dark and twisted purposes. According to the Dragon Ball Wiki:

“Android 18, originally named Lazuli when she was an ordinary human, is the older twin sister of Android 17 and Dr. Gero’s eighteenth android creation, designed to serve Gero’s vendetta against Goku. While her interests do not initially deviate from this expectation, her curiosity to activate Android 16, in spite of Gero’s orders not to do so, leads Android 17 to take it upon himself to murder Gero. Eventually, Android 18 becomes a member of the Z Fighters, as well as the wife of Krillin and the mother of their daughter Marron.”

Both Android 18 and her brother, Android 17, were somewhat ordinary kids up until they were taken by Dr. Gero, and there isn’t much that fans know about the siblings from before this happened. Dr. Gero has always had a bunch of mad science up his sleeve, and we really don’t know why he even kidnapped them in the first place.


It is assumed that Dr. Gero thought it would be too troublesome to create perfect robots from scratch, which may have led him to snatch children instead. Working on children would have given him everything he needed to use as a base, while also allowing him to shape the people they would eventually become.

Did Android 18 Turn Human?

There was an instance in the Dragon Ball storyline where Android 18 may have been turned completely human due to a wish. But, Shenron informed the team that it was beyond his powers to turn Android 18 completely human again – which created even more confusion. Instead, Shenron removed the bombs inside of them.

17 18 bomb

Many fans assumed that Android 18 and 17 would be purely artificial constructs, mainly due to the fact that that’s what Android 16 and 19 were. But, Android 18 and 17 are special since they are human-based cyborgs – in fact, Android 18 is known as ‘C-18 (Cyborg 18)’ in the manga, and the word ‘Android’ came with the translation.


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The way in which Android 18 was created or altered is the main area of interest here since fans were never given specifics as to what exactly Dr. Gero changed or removed during the process. Some things about Android 18’s biological nature were revealed throughout the storyline – such as the fact that she has a bomb inside of her that acts as a source of infinite energy.

Android 18

But, apart from this, we don’t know what Dr. Gero would have changed compared to when Android 18 was a regular human girl. He could very well have changed body parts while sticking to human matter, such as by replacing or altering her brain, heart, blood, skin, and much more.

While this would make Android 18 a product of twisted imagination and skillful science, it would still make her human – at least, to an extent. She may flaunt an array of superior, superhuman abilities due to Dr. Gero’s adaptations, but she still possesses a wide selection of human traits and attributes – many of which only began to surface once she joined the Dragon Ball protagonists team.

How Did Android 18 Have a Baby With Krillin?

Without getting into the nitty-gritty of how exactly it happened, it’s assumed that Krillin and Android 18 could have only had a baby if Android 18 had the means to carry a child and give birth like a normal woman. Many people believe that she was turned into a human at some point, but it seems that she may have always had the means to have a child – perhaps she didn’t know.

18 krillin

The main aspect to consider here is how much of Android 18’s natural form was changed since it was made clear she still has some human elements. She is not a complete android or robot, but a cyborg – thus, she would have still had a few human body parts, along with their functions.

Since we know that Dr. Gero left a fair portion of Android 18’s human elements and bodily features intact, it has been presumed that he didn’t tamper with some aspects of her body – at least, the ones that may have been unnecessary or unimportant in terms of combat. Most fans believe that this sort of approach would mean that while Andoird 18 is not completely human, she still has the typical female reproductive system and can get pregnant.


Android 18 and Krillin’s daughter went nameless for some time after she was born, but it was clear from the very beginning that she was indeed the biological product of both her parents. Marron closely resembles her mother in many ways, but she also displays some physical features that are similar to her father, such as Krillin’s eye shape as well as his lack of a protruded nose.

Does Android 17 Have a Child?

Similar to Android 18, Android 17 also grows up and has a happy human family. He has a loving wife named Isabella, in addition to two adoptive children. This through fans off quite a bit as well, since the fact that Android 17 had adopted children did give the impression that it was impossible for the siblings to have children in their semi-human state.


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This may be due to various factors, but it does point to the dark possibility of Dr. Gero perhaps doing additional experiments with Android 17. Either way, it’s safe to say that they are both far more human than Dragon Ball fans had initially anticipated.

Check out the video below, posted by Geekdom101, to find out more on how Android 18 had a baby with Krillin in the Dragon Ball storyline:

Android 18 would have been capable of having a baby with Krillin in the same way that any human woman would have a child. Android 18 and Krillin’s daughter, Marron, may not be an android like her mother, but she could have a whirlwind of skills to show the world once she grows up – especially considering how tough her parents are!

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