|Affiliations|| Plumbers (formerly)|
Negative 10 (formerly)
|Occupation(s)|| Plumber (formerly)|
Forever King (formerly)
|Powers and Abilities|
|Equipment|| Forever King Armor (destroyed)|
Forever Knight Armor
|Alias|| The Forever King|
|Voice Actor||Richard Doyle|
|First Appearance||Perfect Day|
Driscoll or Sir Driscoll is one of the main villains where he appeared in Perfect Day then he appeared again in Ben 10 vs. the Negative 10: Part 1 and Part 2. In the original series, he is also known as the Forever King. He then reappears in The Purge where he discovers the identity of the founder of the Forever Knights, Sir George.
Driscoll was once a veteran Plumber who was kicked out of the Plumbers when it was discovered that he was stealing advanced technology from alien perps and using it for his own benefit. He later joined The Forever Knights and worked his way up the ranks to Forever King. He then created a splinter group with the desire to conquer the world and gain revenge on the Plumbers.
Driscoll appears at the end of Perfect Day, where he tells the Forever Knight Ninja not to release Enoch from the dream machine, saying he has failed him enough and where he will deal with Ben Tennyson himself.
Driscoll creates a group of Ben's enemies, consisting of himself, the ninja, Dr. Animo, Charmcaster, Rojo, Clancy, Sublimino and the Circus Freak Trio (Thumbskull, Frightwig and Acid Breath). He planned to use them to destroy Ben and also targeted Gwen, Max, and their tag-along Cooper Daniels. When they escape most of their assaults, they hide out in the Plumber base in Mt. Rushmore, but Sublimino hypnotized Cooper to attack the Tennysons.
After dealing with Cooper, the Tennysons worked together and took down most of the Negative 10. However, Driscoll's real main motive was to take the Sub-Energy and use it to power up his suit to take over the world. However, Upchuck ate the Sub-Energy and defeated Driscoll, however, Driscoll escaped.
Driscoll returned in The Purge, where he and the rest of the Forever Knight faction leaders were summoned by Sir George. Although he initially attacked the old man, Driscoll stopped once he realized who George really was and agreed to serve him, swearing loyalty to "The First Knight".
Later, while leading a group of Forever Knights to capture aliens, Driscoll was challenged by Ben to honorable combat over the fate of the prisoners, which Ultimate Spidermonkey won. Despite this, Driscoll refused to let the aliens go, ordering the Forever Knights to kill them. However, after a powerful threat from Ben, Driscoll and his Knights withdrew. Driscoll apologized to George for his failure, who said that it was not important and put him in charge of the Knights while he left on a sacred journey.
In A Knight to Remember, Driscoll, along with Sir Cyrus and a group of Forever Knights, is inspecting the arrival of a new piece of equipment when Ben appeared. The Knights immediately attacked him, who transformed into Fasttrack and stole their weapons. After a brief discussion about traitors within the Forever Knights, Ben's team show up with a captured Winston, who was apparently mind controlled by the Diagon. Enraged, Driscoll orders the execution of Winston but Ben cuts it off, asking for answers. Driscoll tells them the legendary story of "Saint George and the Dragon". Driscoll allows Ben and the team to decipher the calculations left behind by George, revealing where he was heading. After they do so, Driscoll personally stuns the trio before leading Cyrus and several Knights to George's location. Upon reuniting with George, the group journeys into the shrine where the Diagon's heart and Ascalon are kept. They are ambushed by the Flame Keeper's Circle. Driscoll and Cyrus battle Conduit Edwards but are defeated by him. Later, Driscoll attempts to help George stop Vilgax from breaking open Diagon's seal, but is knocked out.
Driscoll is a semi-bald man with black hair, blue eyes and a short beard. Originally he possessed a high-tech suit of power armor. After it was destroyed, he began to wear the standard full plate armor of the Forever Knights, and later upgraded to more powerful armor after Old George united the Forever Knight factions.
Driscoll in the original series used a power suit that gave him enhanced strength, durability and could project energy blasts from his gloves. When he used the Sub Energy to enhance his powers, he could fire staggering energy blasts from his helmet's visor. However, the power suit was destroyed when Upchuck ate the Sub Energy and shot it at him. In Ultimate Alien, Driscoll wears another set of powered armor (that looks similar to the new Knight attire), but sometimes without head covering. It greatly enhances his strength, gives him enhanced durability and harnesses energy beams through his gloves. He also uses an energy lance, sword and a hovercycle while in battle.
- Perfect Day (first appearance)
- Ben 10 vs. the Negative 10: Part 1
- Ben 10 vs. the Negative 10: Part 2
Ben 10: Ultimate Alien
- According to Derrick J. Wyatt, all of the Forever Knights are dead except Sir Morton and the new Forever King Joseph Chadwick . 
- Driscoll's helmet is similar to the face of White Ranger (Trent) of Power Rangers Dino Thunder which is white with a red visor.
- When Driscoll appeared in Ultimate Alien without his Forever King armour from the original series, he seemed younger and with lighter skin tone.