|“||...I'll become secret gadget manufacturer. One day, my gadgets will be displayed in the museum...||”|
— Kurt Hartman
He is the guide of Secret Gadget Museum. His dream is to become a great inventor like his family always did, although he isn't very good at it yet. His first invention was the ribbon to transform into Kaitou DX. He used the Copy Robot to copy himself so that no one knows that he is the Kaitou DX. He is thrown into a palace of the Museum when he touches one of the gadget. He also created Poppon.
Kurt wears a green shirt with a navy blue overall. He has lavender moderate scarlet hair with a peach skin.
Kurt is shown to be cheerful and sometimes silly. He makes hasty decisions, which at times causes trouble