|Affiliations||The Forever Knights|
|Occupation(s)||Forever Knight officer|
|Powers and Abilities|
|Abilities|| Forever Knight training (Expert in hand-to-hand combat)|
Access to Forever Knight/Alien Weapons
Intelligence gathering (due to his status as an intelligence squad officer)
|Alias||Knighty McKnighterson (Argit)|
|Voice Actor||Greg Ellis|
|First Appearance||Andreas’ Fault|
Sir Dagonet is an elite intelligence squad officer of the The Forever Knights.
He came to take Argit out of a Forever Knights castle. He then captured Argit, Ben, Gwen and Kevin tried to execute Andreas, but after his MG42-like weapon was broken, he set it to self destruct which contained enough power to destroy 5 square miles but stoped by Andreas and everyone thought he died, but he didn't. He then teleported away with the other Forever Knights.
Ben 10: Ultimate Alien
- Andreas’ Fault (first appearance)
- His personality and superior character is that of a SD Einsatzkommando and a Gestapo agent, such as RSHA leader Reinhard Heydrich.
- Sir Dagonet is the name of a knight of the round table who is also King Arthur's jester.
- According to Derrick J. Wyatt, all of the Forever Knights are dead except Sir Morton and the new Forever King Joseph Chadwick . 
|Driscoll | Patrick | Urian | Cyrus | Enoch | Joseph Chadwick|
|Connor | Winston | Sir Dagonet | Sir Reginald | foreverduke838 | Sir Morton | Twin Knights | Forever Ninja|