The Wally Squad is a fictional undercover

Undercover

Being undercover is disguising one's own identity or using an assumed identity for the purposes of gaining the trust of an individual or organization to learn secret information or to gain the trust of targeted individuals in order to gain information or evidence...

 police force in the Judge Dredd

Judge Dredd

Judge Joseph Dredd is a comics character whose strip in the British science fiction anthology 2000 AD is the magazine's longest running . Dredd is an American law enforcement officer in a violent city of the future where uniformed Judges combine the powers of police, judge, jury and executioner...

stories of 2000 AD

2000 AD (comic)

2000 AD is a weekly British science fiction-oriented comic. As a comics anthology it serialises a number of separate stories each issue and was first published by IPC Magazines in 1977, the first issue dated 26 February. IPC then shifted the title to its Fleetway comics subsidiary which was sold...

. Wally Squad agents were undercover judges

Judge (2000 AD)

Judge is a title held by several significant characters in the Judge Dredd series, which appears in the British comics 2000 AD and Judge Dredd Megazine...

 noted for their eccentricity and borderline lunacy; these characteristic behaviours were an inevitable consequence of working undercover in a world of complete future shock.

It was also the name of one story in progs #390-392 (1984).

Members

Numerous stories deal with members of the Wally Squad, who include:

• Judge Vonne Hollister, formerly one of the Council of Five
  Council of Five
  The Council of Five is a fictional legislature and court in the Judge Dredd comic strip appearing in 2000 AD. It first appeared in 2000 AD prog 86 ....
  
  
• Aimee Nixon and others featured in Low Life including:
• Dirty Frank
  Dirty Frank (comics)
  Dirty Frank is a fictional character appearing in the 2000 AD story Low Life, created by Rob Williams and Henry Flint.He is a Wally Squad Judge in Mega-City One who has been undercover for so long that he appears to have lost his sanity, a fact somewhat at odds with his erudite speaking manner...
  
  
• Judge Eric 'Mortal' Coil
• Judge Guthrie
  Judge Guthrie
  Judge Guthrie is a fictional character in the Judge Dredd comic strip in 2000 AD.-Fictional character biography:Guthrie first appeared in the comic strip as an undercover judge in 2000 AD prog 971...
  
  
• Jack Point
  Jack Point (the Simping Detective)
  Jack Point aka "the Simping Detective" is a character in the comic Judge Dredd Megazine, a spin-off from 2000 AD. He was created by Simon Spurrier and Frazer Irving....
  
  
• Judge Renga
• Lenny Zero
• Judge Mentative
• Judge Kermode
• Judge Ferrara, Bite-fight Infiltrator as Cain "The Fang" Ferrara