Of course it is. Fuck, it's a copypaste of his style. I supose I'll have to make a shoop. Just compare Poppo's face to Astro Boys.
Unfortunately digital images of Tezuka's lesser known characters are rather hard to come by.
Also, total NEET and hikko here and I fucking love this series. Well, I *did* go to college and I *did* have a job, but not anymore. Now I don't do shit.