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"The gates of hell has been opened, and I will bring forth a torrent of evil from this world."
— "A Dangerous Union"

Hell Fighter 17 (ヘルファイター17号 Heru Faitā Jū Nana-Gō lit. "Hell Fighter No. 17") is a Machine Mutant created by the evil scientists Dr. Gero and Dr. Myuu while in Hell. He makes his debut in "A Dangerous Union", the forty-second episode of Dragon Ball GT, which premiered on April 16, 1997.


HFIL Fighter Power Up

Hell Fighter 17 powering up to open a portal with Android 17

Hell Fighter 17 is essentially identical to Android 17, but by this point the real 17 has acquired a brown jacket. While being a Machine Mutant, he bears only the Red Ribbon insignia and lacks the Machine Mutant's cross-hairs in his eyes.


Dragon Ball GT

Super 17 Saga

Main article: Super 17 Saga


Hell Fighter 17 appearing in front of Vegeta

A joint effort between Dr. Gero and Dr. Myuu, Hell Fighter 17 was designed to locate his android counterpart Android 17 and fuse with him in order to become Super 17. He is the one who brainwashed and influenced the real Android 17 into attacking Trunks and his driver, and killing Krillin and the other people on the highway.


Hell Fighter 17 vs Vegeta

When he arrives on Earth, before fusing with Android 17, he fights Vegeta in his base form and is promptly beaten. Vegeta is initially unimpressed with Hell Fighter 17's power until Dr. Myuu and Gero reveal that 17 is using only half of his strength. Followed closely by the Z Fighters, the true Android 17 arrives and the two merge into Super 17.


In the FUNimation dub, Dr. Myuu states that Hell Fighter 17 has equal power to the original Android 17. Hell Fighter 17 is shown to hold an advantage over base Vegeta in battle. Myuu also notes that Hell Fighter 17 possesses half the power of Super 17, who in turn states that he is twice as strong as Android 17.

In the Japanese dub, Hell Fighter 17 is remarked by Vegeta to have "powered-up beyond belief" due to his ability to match Vegeta's base form. Considering Vegeta's strength at the time, he was right to note this was a massive increase in power for the Android.

When in Villainous Mode, Hell Fighter 17 is able to fight against the Future Warrior in their brief battle, once after the empowered Machine Mutant had easily defeated Trunks with a single attack.

Techniques and special abilities


Super 17

The result of Hell Fighter 17's Fusion with Android 17 is the powerful Machine Mutant/Android hybrid, Super 17. Super 17 is much taller than both 17's with an athletic build. His hairstyle and clothing are slightly altered to give him a somewhat more mature appearance. His voice remains the same as Android 17, however. This form is powerful enough to fight on par with a Super Saiyan 4 Goku at the height of it's power and possesses the ability to absorb energy like Dr. Gero, Android 19, and Cell.

Video game appearances

Hell Fighter 17 is a playable character in Dragon Ball Heroes, where he can merge with Android 17 in order to form Super 17.

Voice actors


  • Hell Fighter 17 vs. Vegeta



  • This is Dr. Gero's second co-creation, the first one being Android 8 with Dr. Flappe, back in Dragon Ball. (Even though it was only stated, not actually shown.) 

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