All Alien Appearances In Omniverse: At Night

Here are all the appearances each alien has in Omniverse: At Night, that you can read on the Ben 10 Fan Fiction Wiki.

## Heatblast

* *Spy* (first reappearance; selected alien was Big Chill)
* *Hunted* (off-screen; flashback)
* *Sadism*
* *Everybody Talks About the Weather*
* *Exiled*

## Wildmutt

* *The Tale of Two Frogs* (first reappearance)
* *Sadism* (cameo)
* *Your Fans and Mine*
* *Feeling Frigid, Humungous and Swampy*

## Diamondhead

* *Uprising* (first reappearance; cameo)
* *The Alien I Refuse to Name*
* *Unaligned*
* *Hunted*
* *A Soul Fire*
* *Break In*

## XLR8

* *A Lookback at the Past* (first reappearance)
* *Revonnah* (cameo)
* *So Glad We Had This Time Together*
* *Introducing Ben 23*

## Grey Matter

* *So Glad We Had This Time Together* (first reappearance)
* *Escape Plan*

## Four Arms

* *Uprising* (first reappearance; cameo)
* *Blukic and Driba: Smoothy Night Frights* (off-screen transformation)
* *Set Into Motion*
* *Introducing Ben 23* (cameo)
* *Exiled*

## Ripjaws

* *Uprising* (first reappearance; selected alien was Lodestar)
* *Feedback Vs. Malware: Revenge of the Five Year Hiatus* (cameo)

## Upgrade

* *Revonnah* (first reappearance)
* *To'kustar Brawl*
* *The Assembly*

## Ghostfreak

* *Exiled* (first reappearance)
* *Escape Plan*
* *The Assembly* (selected alien was Chromastone)

## Cannonbolt

* *A Lookback at the Past* (first reappearance)
* *A Partner in Need*
* *Fragments of The Flame Keeper's Circle: Part 2*
* *Set Into Motion* (cameo)
* *Ben Tennyson: Bellwood's Little Superhero* (flashback; cameo)

## Wildvine

* *A Lookback at the Past* (first reappearance)
* *Revonnah*
* *Ben Tennyson: Bellwood's Little Superhero*

## Spitter

* *Everybody Talks About the Weather* (first reappearance)

## Buzzshock

* *Everybody Talks About the Weather* (first reappearance; selected alien was Lodestar)

## Arctiguana

* *Sadism* (first reappearance)
* *Feedback Vs. Malware: Revenge of the Five Year Hiatus*
* *Escape Plan*
* *Feeling Frigid, Humungous and Swampy* (cameo)

## Blitzwolfer

* *A Mystery to Solve* (first reappearance; selected alien was Jetray)
* *Faction: Galvan Prime Assault* (selected alien was Diamondhead)
* *Catfight*

## Perk Upchuck

* *To'kustar Brawl* (first reappearance; cameo)

## Snare-oh

* *Uprising* (first reappearance)
* *A Mystery to Solve*
* *So Glad We Had This Time Together*

## Frankenstrike

* *A Soul Fire* (first reappearance; selected alien was Ghostfreak)
* *Escape Plan*
* *Working with the Foe* (cameo; from previous episode)

## Ditto

* *Introducing Ben 23* (first reappearance; cameo)
* *Your Fans and Mine* (selected alien was XLR8)
* *Your Gas is as Good as Mine*

## Eye Guy

* *Fragments of The Flame Keeper's Circle: Part 1* (first reappearance)
* *Revonnah* (cameo)
* *Set Into Motion* (cameo)
* *The Assembly*

## Way Big

* *Fragments of The Flame Keeper's Circle: Part 2* (first reappearance)
* *Blukic and Driba: Smoothy Night Frights*
* *Feedback Vs. Malware: Revenge of the Five Year Hiatus*
* *To'kustar Brawl*

## Swampfire

* *The Alien I Refuse to Name* (first reappearance)
* *The Cartoon Network Tournament*
* *Sadism*
* *Introducing Ben 23*

## Echo Echo

* *Uprising* (first reappearance; off-screen transformation)
* *The Tale of Two Frogs* (flashback)
* *Blukic and Driba: Smoothy Night Frights*

## Humungousaur

* *Hunted* (first reappearance)
* *Sadism*
* *Set Into Motion* (cameo)
* *Feedback Vs. Malware: Revenge of the Five Year Hiatus* (off-screen transformation)
* *Working with the Foe* (cameo)

## Jetray

* *The Fame that Tore Us Apart* (video footage; first reappearance)
* *The Tale of Two Frogs*
* *Unaligned* (x2; second time was cameo)
* *Fragments of The Flame Keeper's Circle: Part 2*
* *Introducing Ben 23* (cameo)
* *Escape Plan*
* *Feeling Frigid, Humungous and Swampy* (cameo)

## Big Chill

* *A Lookback at the Past* (first reappearance)
* *The Tale of Two Frogs*
* *Fragments of The Flame Keeper's Circle: Part 1*
* *Sadism*
* *Faction: Galvan Prime Assault*
* *Your Fans and Mine* (cameo)
* *Ben Tennyson: Bellwood's Little Superhero* (flashback; cameo)
* *Battle in the Great Vault of Sulcus* (off-screen transformation)

## Chromastone

* *The Fame that Tore Us Apart* (first reappearance)
* *Uprising* (cameo)
* *Spy*
* *Sadism* (cameo)
* *Faction: Galvan Prime Assault*
* *Everybody Talks About the Weather*
* *Break In*

## Brainstorm

* *Spy* (first reappearance; off-screen transformation)
* *The Cartoon Network Tournament*
* *Sadism*
* *Introducing Ben 23*

## Spidermonkey

* *A Partner in Need* (first reappearance; selected alien was Humungousaur)
* *Sadism* (cameo)
* *Introducing Ben 23* (x2; second time was cameo)
* *To'kustar Brawl* (off-screen transformation)
* *Battle in the Great Vault of Sulcus*

## Goop

* *Hunted* (first reappearance)
* *Blukic and Driba: Smoothy Night Frights*
* *Set Into Motion* (cameo)
* *Your Fans and Mine* (video footage; off-screen transformation; cameo)
* *The Assembly*

## Alien X

* *Fragments of The Flame Keeper's Circle: Part 2* (first reappearance; x2; first time was flashback)

## Murk Upchuck

* *Unaligned* (first reappearance)
* *The Cartoon Network Tournament*

## Lodestar

* *A Lookback at the Past* (first reappearance)
* *Revonnah* (off-screen transformation)
* *Everybody Talks About the Weather*
* *Ben Tennyson: Bellwood's Little Superhero* (flashback; cameo)

## Rath

* *The Tale of Two Frogs* (first reappearance; off-screen transformation)
* *Hunted*
* *Feeling Frigid, Humungous and Swampy*

## Water Hazard

* *Fragments of The Flame Keeper's Circle: Part 1* (first reappearance)
* *A Mystery to Solve* (cameo)
* *Everybody Talks About the Weather*

## Ampfibian

* *Spy* (first reappearance)
* *Blukic and Driba: Smoothy Night Frights* (off-screen transformation; cameo)
* *Revonnah* (cameo)

## Armodrillo

* *Uprising* (first reappearance; cameo)
* *A Mystery to Solve*
* *Sadism*

## Terraspin

* *Unaligned* (first reappearance; off-screen transformation)
* *Feedback Vs. Malware: Revenge of the Five Year Hiatus*

## NRG

* *Uprising* (first reappearance; selected alien was XLR8)
* *The Alien I Refuse to Name*
* *Feedback Vs. Malware: Revenge of the Five Year Hiatus*
* *Feeling Frigid, Humungous and Swampy* (cameo)

## Fasttrack

* *The Fame that Tore Us Apart* (first reappearance)
* *Uprising*
* *The Alien I Refuse to Name*
* *A Soul Fire*
* *To'kustar Brawl* (cameo)

## Clockwork

* *Fragments of The Flame Keeper's Circle: Part 1* (first reappearance)
* *Fragments of The Flame Keeper's Circle: Part 2*
* *Your Fans and Mine*

## Chamalien

* *Fragments of The Flame Keeper's Circle: Part 1* (first reappearance)
* *Revonnah* (x2; first time was cameo)
* *Everybody Talks About the Weather*

## Eatle

* *Uprising* (first reappearance; cameo)
* *Revonnah* (cameo)
* *Introducing Ben 23* (cameo; off-screen transformation)

## Juryrigg

* *A Soul Fire* (first reappearance; cameo)

## Shocksquatch

* *The Tale of Two Frogs* (first reappearance)
* *Blukic and Driba: Smoothy Night Frights*
* *Introducing Ben 23*
* *The Assembly* (off-screen transformation)

## Feedback

* *Fragments of The Flame Keeper's Circle: Part 2* (first appearance)
* *Hunted*
* *Set Into Motion* (cameo)
* *Feedback Vs. Malware: Revenge of the Five Year Hiatus* (off-screen transformation)
* *Your Fans and Mine*

## Bloxx

* *A Partner in Need* (first appearance)
* *Spy*
* *Fragments of The Flame Keeper's Circle: Part 2*
* *A Soul Fire* (off-screen transformation; cameo)
* *Revonnah*
* *To'kustar Brawl*

## Gravattack

* *Spy* (first appearance; accidental transformation)
* *Fragments of The Flame Keeper's Circle: Part 2*
* *Feedback Vs. Malware: Revenge of the Five Year Hiatus*
* *Your Fans and Mine* (off-screen transformation; cameo)
* *Catfight*
* *Break In*

## Crashhopper

* *Fragments of The Flame Keeper's Circle: Part 2* (first appearance; intended aliens were Chromastone and/or Frankenstrike)
* *Sadism*
* *Revonnah*
* *Exiled*

## Ball Weevil

* *The Tale of Two Frogs* (first appearance; accidental transformation)
* *Faction: Galvan Prime Assault*

## Pesky Dust

* *Escape Plan* (first appearance; off-screen transformation)
* *Feeling Frigid, Humungous and Swampy*

## Toepick

* *So Glad We Had This Time Together* (first appearance)

## Astrodactyl

* *Revonnah* (first appearance)
* *Set Into Motion* (cameo)
* *Exiled*
* *Feeling Frigid, Humungous and Swampy*

## Bullfrag

* *Working with the Foe* (first appearance)
* *Break In*

## Atomix

* *Fragments of The Flame Keeper's Circle: Part 2* (first appearance; selected alien was Heatblast)
* *Revonnah*
* *To'kustar Brawl* (x2)

## Gutrot

* *Your Gas is as Good as Mine* (first appearance; x3; first time was accidental transformation)

## Ventrilosquid

* *So Glad We Had This Time Together* (first appearance)

## Alien Z

* *Battle in the Great Vault of Sulcus* (first appearance)

## Indense

* *So Glad We Had This Time Together* (first appearance)
* *To'kustar Brawl*

## Feline Flawless

* *Catfight* (first appearance; selected alien was Wildmutt)

## Decagon Vreedle

* *Battle in the Great Vault of Sulcus* (first appearance; selected alien was Shocksquatch)

## Bungee Sponge

* *Feeling Frigid, Humungous and Swampy* (first appearance)

## Crabtastic

* *Feeling Frigid, Humungous and Swampy* (first appearance)

## TenTen

* *Introducing Ben 23* (first appearance)
* *Your Gas is as Good as Mine*

## Porkcrop

* *Revonnah* (first appearance; unintentional transformation)
* *Your Gas is as Good as Mine*

## PatchUp

* *So Glad We Had This Time Together* (first appearance)
* *Your Fans and Mine*
* *The Assembly* (selected alien was Chromastone)