One of the Vreedle Brothers , Octagon Vreedle is significantly smarter than his brother Rhomboid Vreedle . He is the leader and older brother of the duo.
Personality Octagon has quite a large vocabulary, and can say things that are quite deep, but despite his more mature, serious and Down-to-Earth personality, he can still be easily distracted such as when Gwen distracted him and Rhomboid with bubble wrap.
Octagon often finds himself at odds with Rhomboid, while he often attempts to talk or negotiate in situations, Rhomboid will start blasting away before he can really get talking.
An octagon is a shape with 8 sides.
Octagon and Rhomboid are clones, as revealed in Con of Rath Octagon was mentioned by Argit in Kevin's Big Score Octagon and Rhomboid may be somewhat the "Hillbillies" in space.
Octagon seemed to get a boost of intelligence when Rath used a metaphor wrong in the episode Con of Rath Octagon is the smartest out of the Vreedle Brothers.
Octagon's catchphrases has shown to be "what you might call..." and "on a count of...".
Octagon and Rhomboid went to Plumber's Academy so Mr. Vreedle wouldn't whack them again.
Ben 10 Characters
Main Characters
Ben Tennyson | Gwen Tennyson | Kevin Levin | Max Tennyson | Rook Blonko
Supporting Characters
Julie Yamamoto | Plumbers (Manny Armstrong , Helen Wheels , Alan Albright , Cooper Daniels , Tack , Magister Pyke , Magister Korwak , Magister Hulka , Joel Tennyson , Gordon Tennyson , Betty Jean Tennyson , Wes Green , Blukic , Driba , Magister Patelliday , Sheriff Wat-Senn , Molly Gunther , Plumber Jerry , Magister Arnux ) | Jimmy Jones | The Galvan (Azmuth , Retaliator , Galvan Teacher ) | Professor Paradox | Ship | Eunice | Zed
Other Allies
Petrosapiens (Tetrax Shard , Sugilite ) | Gluto | Galactic Enforcers (Ultimos , Synaptak , Tini ) | The Highbreed (Reinrassic III ) | Myaxx | Xylene | Colonel Rozum | SACT (Lieutenant Steel ) | Ignatius | Technorg | Hector | Elsgood | Sheriff Mason | Kai Green | Ishiyama | Tennyson Family (Carl Tennyson , Sandra Tennyson , Frank Tennyson , Lili Tennyson , Verdona Tennyson , Camille Mann , Kenneth Tennyson ) | Levin Family (Mrs. Levin , Harvey Hackett ) | Rook Family (Rook Da , Rook Bralla , Rook Shar , Rook Shim , Rook Shi , Rook's Brother ) | Ester | Gourmands (Private Brown Bag , Queen Voratia Rumbletum , Sergeant Cast Iron , Sergeant Cookmeister ) | Lewodans (Tiffin , Sicily ) | Rad Dudesman
Former Allies
Albedo | Elena Validus | Phil | Forever Knights (Squire , Connor , Sir Cyrus , Patrick , Sir Driscoll ) | Vilgax | Michael Morningstar | Sunny | Antonio | Cash Murray | J.T. | Oliver Thompson | Zaw-Veenull | Probity
Deceased Supporting Characters and Allies
Devin Levin | Magister Labrid | Magister Prior Gilhil |Pierce | Sir George | Winston | Victor Validus | Kwarrel | The Sentinel |
Prisoners of Aggregor
Bivalvan | Galapagus | P'andor | Andreas | Ra'ad
Frienemies
Hope | Hope's Stone Creatures | Argit | Baz-El | Simian | Vreedle Brothers (Octagon Vreedle , Rhomboid Vreedle ) | Blarney T. Hokestar | Raff | Serena | Bellicus | Mr. Baumann | Pakmar | Mazuma
Generator Rex Heroes
Rex Salazar | Bobo Haha | Agent Six | Rebecca Holiday | White Knight | Caesar Salazar
Future & Alternate Heroes
Ben 10,000 (Ultimate Alien) | Ben's Team (Alternate Timeline) (Ben 10,000 (Alternate Timeline) , Gwendolyn Tennyson (Alternate Timeline) , Ken 10 , Devlin Levin , Max Tennyson (Alternate Timeline) , Kenny's Stone Pet ) | Ben's Team (Dimension 23) (Ben 23 | Tetrax Shard (Dimension 23) | Sevenseven (Dimension 23) | Azmuth (Dimension 23) ) | Ben Tennyson (RAT Timeline) | Gwen Tennyson (RAT Timeline) | Max Tennyson (RAT Timeline) | Plumbers (RAT Timeline) (Principal White , Mrs. Dalton , Mr. Hawkins , Fire Chief Whittington , Constantine Jacobs , Mr. Enguells , Mr. Jenyx , Mrs. Carlay ) | Ben Tennyson (Cosmic Destruction Timeline) | Ben Tennyson (Gwen 10 Timeline) | Gwen 10 | Max 10 | Ben Tennyson (PoE Timeline) | Gwen Tennyson (PoE Timeline) | Max Tennyson (PoE Timeline)
Ben 10 Villains
Main Villains
Aggregor • Diagon • Incursean Empire (Attea , Dr. Psychobos , Frolic , Lieutenant Rana , Milleous , Sang-Froid , Major Glorff ), • Forever Knights (Connor , Driscoll , Enoch , Joseph Chadwick , Patrick , Red Knight , Sir Cyrus , Sir Dagonet , Sir Morton , Sir Reginald , Squire , Urian ) • The Faction (Khyber , Malware ) • Vilgax • Zs'Skayr
Secondary Villains
Albedo • Aloysius Animo • DNAliens • Elena Validus • Eon • Flame Keepers' Circle (Conduit Edwards , Esoterica ) • Hex • Lucubra • Michael Morningstar • Negative 10 • Psyphon • The Sotoraggian Mercenaries (Sixsix , Sevenseven , Eighteight ) • Vulkanus • Will Harangue • Xenocyte • Zs'Skayrs's Servants (King Viktor , Mummy , Yenaldooshi )
Minor Villains
Adwaita • Aggregor's Soldiers • Animo's mutant animals (Heatbat , Mutant Ant , Mutant Chicken , Mutant Cockatiel , Mutant Frog , Mutant Giraffe , Mutant Hamster , Mutant Hornet , Mutant Lepidopterran , Mutant Mammoth , Mutant Mosquito , Mutant Seagull , Mutant Squid , Mutant Tyrannosaurus ) • Billy Billions • Camille's Ex-Boyfriend • Captain Kork • Carl Nesmith • Circus Freak Trio (Acid Breath , Frightwig , Thumbskull ) • Clancy • Coach Finn • Computron • Computron's Minions • Evil Way Big • Fistrick's Gang (Fistrick , Corvo , Hoodlum , Unnamed Thug ) • Garbage Monster • Gorvan • Highbreed Tree Monster • Howell Wayneright • Jarrett • Jennifer Nocturne • Kraab • Kolar • Ma Vreedle • Mayor Coleman • Mechaneers • Mizaru • Morgg • Mr. Mann • Mrs. Mann • Mutant Seagull (Ultimate Alien) • Mycelium • Nanochips • Nyancy Chan • Palorfang • Pickaxe Aliens • Plant Alien • Plant Clones • Psyphon's Gang (Bubble Helmet , Fistina , Liam , Thunderpig , Tummyhead ) • R.E.D. • Ragnarok • Red Robot • Road Crew (Baron Highway , Road Rage , Turbine ) • Rojo's Gang (Rojo ) • Sublimino • S.A.M. • Seebik • Slix Vigma • Squires • Ssserpent • Sunder • Sunny • Synthroid • Techadon Robots • The Decoy Queen • The Great One • Trumbipulor • Violet Offenders • Vilgax's Drones • Zombozo
Frenemies
Argit • Baz-El • Bellicus • Blarney T. Hokestar • Hope • Hope's Stone Creatures • Mazuma • Mr. Baumann • Null Guardians • Pakmar • Raff • Serena • Simian • Vreedle Brothers (Octagon Vreedle , Rhomboid Vreedle )
Former Villains
Bivalvan • Cash • Dragon • Decka • Devlin Levin • Eon's Servants • Ester • Helen Wheels • Highbreed (Reinrassic III , Highbreed Commander , Highbreed Councilors ) • J.T. • Kenko • Kevin Levin • Khyber's Dog • Manny Armstrong • P'andor • Prisoner 775 • Ra'ad • Retaliator • Sentient Ultimate Big Chill • Sentient Ultimate Cannonbolt • Sentient Ultimate Echo Echo • Sentient Ultimate Humungousaur • Sentient Ultimate Spidermonkey • Sentient Ultimate Swampfire • Sir George • Technorg • The Great One's Worshipers (Leader Alien , Enforcer Alien , Interpreter Alien ) • Thomas Jingles • Vance Vetteroy • Victor Validus • Winston • Yeti
Generator Rex Villains
Alpha • Biowulf • Black Knight • Skalamander • I-Bol
Future & Alternate Villains
Albedo (Vilgax Attacks Timeline) • Albedo (Cosmic Destruction Timeline) • Crooks (Dimension 23) • Dr. Animo (PoE Timeline • Dr. Animo (Ben 10,000 Timeline) • Enoch (Cosmic Destruction Timeline) • Enoch (PoE Timeline) • Evil Way Big (Albedo) • Exo-Skull • Gorvan (Alternate Timeline) • Kevin 11,000 • Kevin Levin (PoE Timeline) • Khyber (Omniverse Game Timeline) • Malware (Omniverse Game Timeline) • Mot Snikrep • Psyphon (Cosmic Destruction Timeline) • Psyphon (Omniverse Game Timeline) • Sploot • Terracotta Army • Terracotta Dragon • Terracotta General • Vilgax (Ben 10,000 Timeline) • Vilgax (Gwen 10 Timeline) • Vilgax (Vilgax Attacks Timeline) • Vilgax (PTE Timeline) • Vilgax (PoE Timeline)
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