Hi Diddle Riddle

Protagonists

 * Dynamic Duo
 * Batman (Bruce Wayne)
 * Robin (Dick Grayson)
 * Alfred Pennyworth
 * Gotham City Police Department
 * Commissioner James Gordon
 * Chief Miles O'Hara
 * Harriet Cooper

Villains

 * Molehill Mob
 * The Riddler (Edward Nigma)
 * Harry
 * Molly

Other Characters

 * Gideon Peale
 * Harris
 * Inspector Basch
 * Martha Wayne
 * Moldavian Prime Minister
 * Thomas Wayne
 * William Shakespeare

Teams and Organizations

 * Dynamic Duo
 * Gideon Peale Co.
 * Peale Art Gallery
 * Gotham City Police Department
 * Molehill Mob
 * What a Way to Go-Go

Events

 * Gotham City World's Fair
 * Theft of the Mammoth of Moldavia

Species

 * Antelopes
 * Elephants
 * Fish
 * Barracudas
 * Horses
 * Humans
 * Leopards

Objects and Concepts

 * Atomic Pile
 * Bat-Phones
 * Bat-Signal
 * Bat Research Shelf
 * Batmobile
 * Batpoles
 * Batsuit
 * Utility Belt
 * Bat-a-Rang
 * Bat-Hook
 * Bat-Laser Gun
 * Batcuffs
 * Smoke Pellets
 * Batusi
 * Chemical Research Materials
 * Chemo-Electric Secret Writing Detector
 * Fingerprint Files
 * Interstate Crime Recorder
 * Mammoth of Moldavia
 * Riddler Suit
 * Robin Suit
 * Utility Belt
 * Scanners
 * William Shakespeare Bust

Locations

 * Earth-66
 * Earth
 * Moldavia
 * North America
 * United States of America
 * New York
 * Gotham City
 * Glover Avenue
 * What a Way to Go-Go
 * Gotham City Hall
 * Gotham City Police Department Headquarters
 * Gotham Subway
 * Coolidge Square Station
 * Molehill Mob Headquarters
 * Moldavia Pavilion
 * Peale Art Gallery
 * Wayne Manor
 * Batcave
 * Sweden
 * Taiwan
 * Thailand
 * Heaven