Jacob Slikk is the Leopold's brother between Leonard and Leonidas. His voice has a high pitched voice of Leonidas Slikk.
His adult self has first appeared in the unknown episode of Gene's fourth Angry German Kid series.
He's a brother of Leopold between Leonard and Leonidas. He currently have a Gameboy Advance Standard. He has a flashback that he stole the Gameboy Advance SP Blue Edition from the boy in the box that Mario inside the Gameboy has a revenge on him. That will results that Jacob never steal everything again and Mario let him go.
What Jacob really likes
- Mario (normal and inside the Gameboy Advance SP Blue Edition from the boy in the box)
What Jacob really hates
- Mario (inside the Gameboy Advance SP Blue Edition from the boy in the box) (formerly)
- The backstory of him was once a parody of the all Creepypasta called "Gameboy Advance SP Blue Edition Creepypasta".