Angry German Kid

Leopold's Family

 * Leopold Rainer Slikk
 * Harold Slikk
 * Leonard Slikk
 * Mary Slikk
 * Leonidas Slikk
 * Tabitha "Tabby" Anna Slikk
 * Samuel "Sam" Turner Ryans-Slikk
 * Christopher "Chris" Barry Slikk

Leopold's Friends

 * Jacob "Jake" Andreas Randolf


 * Ronaldo Antionio Ramirez
 * Kaeru Otoko

Leopold's Rivals

 * Stephen Quire
 * Croyt Hollows
 * Falcon Punch Guy
 * Angry Sims Kid

School Faculty

 * Mrs. Leefux
 * Mr. Nettodix

Leopold's Enemies

 * Adolf Hitler
 * Hermann Fegelein
 * Otto Günsche
 * Alfred Jodl
 * Hans Krebs
 * Joseph Goebbels
 * Hermann Göring

Other Recurring Characters

 * Randy Randolf
 * Antonio Daniel Ramirez
 * Bakuji Otoko