Mr. Groff

This article belongs to the Classic Continuity

General Groff was a general of the US Army.

Appearance

General Groff has gray hair and a gray mustache. He wears an Army Green Service Uniform.

History

Background

In Paradox, Groff is seen as the military supervisor for Professor Paradox's time travel experiment in the 1950s. He witnessed the accident that turned Hugo into the Trans-Dimensional Creature and sent the Professor into the wormhole.

Appearances

Alien Force

Season 1

• Paradox (first appearance)

Human Characters
Prime Timeline
Tennyson Family	Ben Tennyson • Betty Jean Tennyson • Carl Tennyson • Clyde Fife • Frank Tennyson • Gordon Tennyson • Gwen Tennyson • Joel Tennyson • Ken Tennyson • Max Tennyson • Natalie Tennyson • Sandra Tennyson • Vera Tennyson
Ben's Love Interests	Emily • Eunice • Julie Yamamoto • Kai Green
Osmosians	Cooper • Gaterboy • Kevin Levin • Porcupine • Devin Levin (retconned)
Hybrids	Alan Albright • Ester • Helen Wheels • Manny Armstrong • Pierce Wheels
Plumbers	Bel Biv Kaboom • Big Ed • Elliot • George Washington • Medics • Molly Gunther • Dr. Victor Valadis • Wes Green • Zorian
Forever Knights	foreverduke838 • Squire • Sir Winston
Government	Air Force Major General • Mr. Bryson • Earl • Mr. Groff • Hugo • Ms. Liang • Ms. Locke • Mr. Lou • Mason • Mr. Mullen • President • Red Coat • Colonel Rozum • Sheriff of Bellwood • Dr. Shueman • Lt. Steel • Mr. Wells • Yosemite Park Ranger
News	Chet Rigby • Jimmy Jones • Steve Cummings • Vance Vetteroy • Wolf Blitzer
Magic	Bezel • Elsgood • Hex • Spellbinder • Thomas Jingles
Actors	Abel North • Gwenettes • Jennifer Nocturne • Vilgax Actor
Professors and Scientists	Aniceto • Helena Xagliv • Dr. Kelly • Professor Paradox
Bellwood Residents	Alton Alabaster • Ben's Teacher (And Then There Were 10) • Ben's Teacher (Destroy All Aliens) • Bill Gacks • Dr. Borges • Carol Smith • Cash Murray • Exasperated Guy • Ignacius Baumann • Jamie • Mrs. Jones • Jonesy • JT • Julius • Kevin's Mother • Madison • Madison's Father • Molly Suda • Natalie Alvarez • Pierce's Girlfriend • Mrs. Rheault • Sensei • Sparring Partner • Mr. Suda • Teej • Thaddeus J. Collins • TK • Walt • Watchmaker • Mr. Webb • Mr. Yamamoto
Other Humans	Amazing Alan • Andy • Barker • Barry • Bob • Brad • Mr. Dodds • Donovan Grand Smith • Eddie Grand Smith • Edith • Edna • Erin • Erin's Boyfriend • Mrs. Fang • Fitz • Florence • Fritz • Genaro • Gilbert • Harold • Harvey Hackett • Hector • H.E. Grady • Helio • Hervé • Hotel Guard • Immovable Object • Jeff • Joan Maplewood • Joe • Larry • Lawrence Wainright • Lucy • Mandy • Margie • Marty • Maureen Nocturne • Mildred • Moe • Oliver Thompson • Dr. Randolph Pervis • Regis • Roger • Mrs. Rozum • Sandwich Vendor • Mr. Shaw • Shelby • Shem • Ship-It Employee • Sumo Slammer Collecting Boy • Tiffany • Tim Dean • Todd Maplewood • Trina • Tyler • Valadis Laboratories Janitor • Mr. Zu
Alternate Dimensions/Timelines
Original Series Future Timeline	Ben Tennyson • Devlin Levin • Gwendolyn Tennyson • Gwendolyn Tennyson (Ben's Daughter) • Ken Tennyson • Max Tennyson
Race Against Time Timeline	Ben Tennyson • Carl Tennyson • Mrs. Carlyle • Cash Murray • Constantine Jacobs • Doris Dalton • Edward White • Mr. Enguells • Gwen Tennyson • Mr. Hawkins • Mr. Jenyx • JT • Max Tennyson • Old Man • Sandra Tennyson • Mr. Whittington
Dimension 23	Ben Tennyson
Omniverse Future Timeline	Ben Tennyson • Gwendolyn Tennyson • J. Jonah Jones • Kai Tennyson • Ken Tennyson • Kevin Levin • Max Tennyson
No Watch Timeline	Ben Tennyson • Gwen Tennyson • JT • Kevin Levin • Max Tennyson
Gweniverse	Gwen Tennyson
Aborted Timelines
Time Heals Timeline	Ben Tennyson • Gwen Tennyson • Kevin Levin
Ultimate Alien Future Timeline	Ben Tennyson
Non-Canon
Gwen 10	Ben Tennyson • Gwen Tennyson • Max Tennyson
Goodbye and Good Riddance	Arnold • Ben Tennyson • Ben's Teacher • Carl Tennyson • Cash Murray • Gwen Tennyson • Jamie • JT • Max Tennyson • Peterson • Sandra Tennyson
Comics	Collector • Charlie Lien Ho • Dora Wrightson • Elena Valadis • Grady • Lonnie • Mathieu • Prof. Wrightson • President • Pietro • Timothy
Unofficial Characters
Crew	Judicator
Non-Ben 10
Generator Rex	Agent Six • Dr. Caesar Salazar • Diane Farrah • Dr. Gabriel Rylander • Dr. Peter Meechum • Rafael Salazar • Dr. Rebecca Holiday • Rex Salazar • Violeta Salazar • White Knight
The Secret Saturdays	Doc Saturday • Drew Saturday • Zak Saturday
MAD	Benjamin Franklin