Angry German Kid: Power-Up is an upcoming series and the the third series of GeneBernardinoLawl's The Angry German Kid Show. Also this is the 1st time to use caption style like Adrenaline21's AGK Series Season 2, 3 and his Angry German Kid: Final Mix did.
- Leopold Rainer Slikk - (or Angry German Kid) He is main protagonist of the show. With his new super keyboard power, he give any power-ups.
- Harold Slikk - (or Angry Office Man) Leopold's father.
- Mary Slikk - Leopold's mother
- Leonard Slikk - Leopold's little brother and a 2nd grade student.
- Leonidas Slikk - Leopold's big brother and a 12th grade student.
- Gerald Slikk - Leopold's uncle.
- Leorich Slikk - Leopold & Leonard's little brother and pre-school student.
- Sean Slikk - (or Angry English Kid) Leonidas' big brother
- Leorven Slikk - Leopold's deceased twin brother. Keeps the voice of Leopold until on Series 2.
- Chilly Slikk - Leopold's russian brother
- Jakub Jr. "Jake" Randolf - A 15-year old german gunsmith and a 9th grade student. He is one of Leopold's best friends. (AGK Season 1 - Episode 2)
- Danny Randolf - formerly named as "Kervin Randolf" (AGK Season 1 - Episode 20)
- Jakub Randolf - Jake's 48-year old hard working father. (AGK Season 1 - Episode 16)
- Jake's Mom- TBA (AGK Season TBA - Episode TBA)
- Ronald Ramirez - (or Angry Dominican Kid) A dominican who acts the same behavior as Leopold. He is sometimes a bully.
- Grizzly Bear - He is the one of the main protagonists in We Bare Bears. He is the leader of the three and is seen as such.
- Panda Bear - He is the one of the main protagonists in We Bare Bears. He is probably the most frail of the three bears.
- Ice Bear - He is the one of the main protagonists in We Bare Bears. He seems to not be very conversant, as Ice Bear generally speaks in one-liners and responds through action instead.
- Angry Sims Kid - is given a fan name of "Eric R. Sims". He's the 9 year old kid who copying Leopold on his original video.
- Hermann Sims - Eric's father
- Nom Nom (We Bare Bears) - He is a recurring antagonist in We Bare Bears. He is an anthropomorphic koala who had acquired internet fame through a series of popular videos on the internet.
- GeneBernardinoLawl - Also known as 40T10. He's the Mario recolor and he likes to make AGK videos!
- Prohyas Warrior - TBA
- Vambre Warrior - TBA
- Hoppus (Mighty Magiswords) - Krevin's partner
- Norman (Mighty Magiswords) - TBA
- Gumball Watterson: is the main character of The Amazing World of Gumball. He is a twelve-year-old, light blue male cat that goes to Elmore Junior High, with his ten-year-old adopted brother and best friend Darwin, and his four-year-old sister Anais. Gumball is in Miss Simian's class.
- Sonic the Hedgehog - is the title character and main protagonist of the Sonic the Hedgehog series and Sega's mascot.
- Miles "Tails" Prower - is a fictional character from the Sonic the Hedgehog series.
- Hermann Fegelein - The rival of Adolf Hitler
- Croyt: Also known as "Pissed Off Gamer". One of Leopold's friendly-rivals but originally appeared on AGK82's series(?). He's also the old wizard from this series.
- Fabrice Laroche - Also known as AGKandRockman2001. A 15-year old french AGK parodist and a 10th grade student. He is another friend of Leopold.
- Tailsko - Leopold's girlfriend
- Kevin Niennarsonn - Also known as the Angry Sulu Kid.
- Kyle (We Bare Bears) - TBA
- Sonic.EXE - The .exe clone of Sonic the Hedgehog
- Tails.EXE - The sidekick of Sonic.EXE
- ALADDIN.EXE - An evil version of Aladdin that murders the citizens of Agrabah when Leopold watches him on PC Screen and he pops out from PC Screen to murder Leopold.
- Adolf Hitler - The nazi leader who makes awful things
- Stephen Quire - Leopold's arch-rival. A screaming teenager who battles Leopold.
- Barry (from We Bare Bears): The main villain of the TAGK season 4-5 and The Angry German Kid Movie.
- Adrenaline21's Angry German Kid: Final Mix~The Movie~