The Dagger Aliens are seen for the first time in Vilgax Attacks.
They are fat aliens with blue, yellow or green skin, muscular arms and legs, black spots, black spikes on their heads and four yellow eyes.
HistoryCon of Rath as a barman. Then, in a yellow skinned member of the species is seen in ...Nor Iron Bars a Cage. Another one later appeared again in The Purge as one of the aliens that was under attack by the Forever Knights.
Notable Dagger Aliens
- Dagger Aliens (Con of Rath, ...Nor Iron Bars a Cage, The Purge and Greetings from Techadon)
- Unknown (the Omnitrix's DNA sample of a Dagger Alien)
Ben 10: Alien Force
- Con of Rath (first appearance)