|Affiliations|| Ben Tennyson|
|Abilities|| Skilled in Acrobatics|
|Relatives|| Rook Da|
|Alias|| Little Rook (Fistina)
Blue Guy (Attea)
|Alternate Counterparts|| Rook Blonko|
Nega Rook Blonko
|Voice Actor||Bumper Robinson|
|First Appearance||The More Things Change: Part 1|
Rook Blonko is a Revonnahgander in Ben 10: Omniverse. Rook wields his Proto-Tool, and is a partner for Ben after Gwen and Kevin left his team. He will be in Ben 11. In Rook, he is in his own show and he travels with Charge and Slash.
In Ben 10: Protector of the Omniverse, he looks like his Omniverse self, but his Proto-Tech Armor looks different, and he has an eye gadget on his right eye. There are no silver parts on his armor.
In Ben 10: Heroics Unleashed, he has his Omniverse appearance, but the black and blue parts on his Proto-Tech Armor are reversed.
In Ben 10: Ultimate Omniverse, he has his Omniverse appearance, but the silver and black parts on his Proto-Tech Armor are reversed.
In Ben 10: The Omniwars, he has his Omniverse appearance, but the black lines on his face are longer and skinnier. He now wears bluish-silver armor, and his voice has gotten deeper.
In Ben 10: Unbound , he has his Omniverse appearance
Ben 10: Unbound
Ben 10: Alien Defender
He has his same appearance. He is not Ben's partner anymore, but does help many times.
- The Power Within (first reappearance)
Ben 10: Infinity
He still has his same appearence.
Ben 10: Omnitrix Unlimited
He has his Omniverse appearance, but he is taller and slightly more muscular, due to extensive training. His personality is pretty much the same and he attends college. He and Ben are best friends now and he has small arguments with Kevin. He is presumed to be deceased at the end of Highbreed Invaded: Part 1, but he is revealed to be alive in the next episode. He also acquires the Proto-Tool Mark 3 at the same episode. His Dimension 99 counterpart appears in 99 For A Change.
Ben 10: Omniverse Unbound
Echo Echo Omnivurs Overwrite
He is Ben's partner in the real world.
Ben 10: Doubletrix
He is a main character. Levin Rath has a crush on him, but it is confirmed that in Season 2 he will get used to it.
During a failed mission to the Venn Allen Belt, Ben is killed by Charterers, a mysterious alien race. Rook and Maximus, a senior Plumber, look for Ben. Maximus wields the Omnitrix after Azmuth appears and reveals Max is the illegitimate grandson of Grandpa Max, due to him and Xylene having a child. The duo battle all odds to avenge Ben and defeat the Charterers.
He looks like he does in OV, just his suit is a bit darker. and he has a bit more muscle.
In Ultra Ben, Rook appears in all the episodes in S2. His Proto-Tool, when destroyed, activates a security code which sends everyone in a radius of two metres to Turrawaste.
In Ben 10: Omega Factor, Rook appeared in nearly every episode, save for Mad Maze Maul.
Ben 10: Protector of the Omniverse
43-year old Rook
Ben 10: Heroics Unleashed
Ben 10: Ultimate Omniverse
- A Partner in Need (first re-appearance)
- Mirror on the Wall (cameo)
- Unlucky Charms
- Away from the Future
- Battle of the Vreedles
- Puppets on a String
- Incursia, Part 1 and 2
- Occupy: Bellwood
- The Thrill of the Hunt
- The Golden Age, Part 1 and 2
- The Fall of Earth (First-Appearnce)
Rook makes his debut as a resident of Ancient Greece, over 2000 years before the current storyline. Born a Revonnahgander, he is shunned from society. He is a demigod, son of Hephaestus, the Greek god of the forges. This makes him a natural inventor, able to harness electricity in a time long before it was discovered. He has created an Automaton, or robot, lion named Leo that is his pet.
He reappears in John's time, working for Professor Paradox.
- Demigod (John Smith 10) (first appearance)
- Herald of the Gods
- Forced to Fight
- Curse of Ares
- Sucked In
- Sea of Monsters
- Reasoning (John Smith 10)
- Against the Gods
- Fear (John Smith 10)
- Revenge of the Gods
- War with the Titans
- The Labyrinth
- Prophecy (John Smith 10)
- Lord of Time
- Blast from the Past (John Smith 10)
- What has Passed and What Will Come
- End of an Era (death)
Rook appears as a member of the Highwind, the airship. He is the chief mechanic, with Eddy being his apprentice.
- Escape From Junon (cameo)
- Escape From Null Void
- Escape From Midgar
- The Huge Materia (voice only)
- Change in Plans
- Friends (JSXFF)
- Zombie Night
- Healing (JSXFF)
- Sister Ray
- Invasion of Midgar (cameo)
- Into the Hole
- The End (JSXFF)
Ben 10: Hero Revolution
List will be written when episode 1 premieres.