The first page of Track 4 yeaaaah! Makin' comics! Passage of time!
I think Heinrich is actually the hardest KB character for me to draw... next to Steffi in her Blitz costume. He has those darn age lines under his eyes, but if I'm not careful he ends up looking like a psychopath. I won't give up on you, Heinrich!
Oh yeah, here's the pencil sketch I did to design his younger self in the last page:
I think he was quite dapper at the time!
Also there's a robot.