Jake Randolf is Leopold's best friend and the deuteragonist on almost any Angry German Kid Series, although it has been confirmed that it is not his real name. He first appeared in the real-series "Echte Stas", directed by Echter Gangster and then appeared in Die mörderische Jagd (the murderous chase), Die mörderische Jagd 2 (the murderous chase 2) and Die Mörderische Verfolgungsjagd (the murderous hunt).
Jake appears in several different series, for example; KirbyMSC, Brian Chiem (very rarely), TheKewlOne96, AngryGermanKid82, and TheAGKMisadventures. He makes fewer appearances in Brian Chiem's Series compared to other AGK series.
In episode 3, he was named Percy Krebs. From episode 6, he is named Jake Randolf. In this series, it is also known from episode 76 that he has a brother named William. In this series, episode 93, Jake tells Leopold about his sister Emilie, and his father is seen on the photo. In episode 101, he is along with Leopold expelled from Hitler's school. In episode 106, he is seen with Leopold in front of school, and is releaved he will repeat Grade 9. After Leopold finds out he will repeat it with him, he is happy and angry together. In episode 114, he got stuck in the elevator along with Leopold, Willy, Emily and Eddie. In episode 123, he, along with Leopold, Willy and Elias changed nice suprise for Mr. Suxapingas to horrible disaster and is knocked out by Emily, Eddie and Dennis. In episode 124, in 2042, he appears in school and tells something to his future son James. He also appears in Leopold's future work. In same episode, in year 2015, he says he hates Economics with Ms. Emolga.
In his series, Jake made a first appearance in the future series.
In his series, Jake first appears as a small cameo in episode 2. He will make a full appearance later in the series. Jake is playing the Trumpet in School.
SBPTS's AGK Series
In his series, Jake is notably much older and wiser than Leopold, and is Leopold's only friend.
In this series, Jake was born on May 18, 1999. He is one of friends of Leopold and has a sister named Angela.
Tulio Sheihee's AGK Series
Like in the most AGK Series, Jake is a Leopold's best friend and supporter. On Episode 11, he helped Leopold and Harold to battle Jack Frost and Elsa.
Jake first appeared in Episode 1. He is Leopold's best friend, like in every AGK series.
In Episode 2, after he learned from Rias that Leopold died, he got very upset and swore revenge. Later that night, he came to the park to say farewell to his deceased friend, until Raynare shows up and dares to fight with him. After a harsh fight, Akeno, Koneko & Yuuto help him deal with her. Whenever he encounters Akeno, he is shy because he likes her beauty but he can't say how much he loves her. It is shown in some episodes.
Most of the time, he uses firearms, but thanks to Yuuto & Akeno, he mastered swords and electricity. He also uses ansatsuken moves.
Jake appears a few times in this series and he first appeared in Episode 18. He is Leopold's best friend who likes to hang out with them, no matter if it is going on an adventure or watching stuff on YouTube. Jake likes to call Leopold "Gangster Leopold" as well, and vice versa. In Episode 18, it shows that Jake is not a very strong fighter.
He first appeared in Episode 6 where Leopold was introducing Joey to him, He even appeared in Episode 10 where Leopold goes to speech therapy with Him and Joey.
Kimmyfinster2476pro's AGK Series
He First appeared in Episode 97 Season 9 to introducing his him from creating the first job!
Travrinity's AGK Series
He first appeared in episode 1 at Leopold's school in Koblenz
He is an expert on firearms and buys gun parts somewhere hidden and builds weapons to his advantage
In case he runs out of ammo, Jake relies on his Mystic Organ ability to escape or shoot water at his opponents
Jakub Cwerleszłski Randolf Born in February 28th 1999 he is Polish-German due to his parents are Polish. He help defend his friend from gangsters evil doers and more. Leopold talks with him alot of times. He also helps Leopold getting out of jail from Dark Leopold and Leopold thanks to his best friend sometimes He helps Fegelein for putting pepper mint and hot sauce for Hitler burning like a dragon and he also laughs with Leopold how Hitler says 'MOMMY! MOMMY! HEEEEEEEEEELP MEEEEEEEEEEEEEEEEEEEE".
PrinceStickFigure's AGK Series
Jake Randolf is a 15 year old gangster who is best friends with Leopold Slikk and Ronald Ramirez. As is also friends with Kaeru Otoko, Steve the Cat, Jade the Rabbit, and several other characters in PSF's series. He didn't appear in the series until PSF's rebooted series. He lives with his mom and dad Jakie and Randy Randolf.
Jayden Montoya's AGK Series
Jake is a member of The Slikks (Movie 2 and Reloaded) who chooses to battle on Leopold's side, taking out any members of The Bastards whenever he wishes or wants to. He didn't officially show up in the series until Adventures S4EP4 (Angry German Kid vs New Angry German Kid) along with his father, Stan Randolf.
- Jake Randolf is the second most recurring characters other than Leopold Slikk in AGK Parodists' series (except Adrenaline21's AGK Series).
- In Adrenaline21's AGK Series, Johnny Fort Spieler replaces Jake Randolf as Leopold Slikk's friend instead.
- Also in Adrenaline21's AGK Series again, Jake Randolf name is used as Angry Sims Kid instead of himself.
- In Adrenaline21's AGK: Remastered Show, his original version are appear in Atarster and PrinceStickFigure's AGK Episodes.