Gratin is one of Tezuka's Star crooks who seems more to have simply fallen in with a rough crowd due to his odd appearance. He was likely looking for acceptance amongst his peer group - specifically Kao Sekken and Afill who often appear alongside him. He acts tough to hide his own insecurities and is often cast in the role of a thug, a henchman, or some other sort of servant.
Hitoshi is a mysterious child. Strange mysterious things happen when he's around. It's almost as if the phenomena is caused by a discomfort in his mind. This makes him the perfect choice to be cast in the role of "spooky young man".
Despite being perpetually cast in small supporting roles, Hanawa Takashi is nonetheless quite well-known, having earned the nickname "the master of fainting". While generally timid and prone to panic, Hanawa has made a career out of his uncanny ability to faint at the first sign of danger and fall face-first onto his rather impressive nose, squashing it into an accordion in the process. This makes him a perfect choice to be cast in such roles as a servant, henchman or some other kind of assistant - especially when they call for a bit of comedic timing.
Hiroshi Fujimoto is one half (along with Motoo Abiko) of one of the most prolific manga writing teams known as Fujiko Fujio - the creator of Doraemon. Born in Toyama on 1 December 1933, he passed away on 23 September 1996 at the age of 62.
Impulsive and brash yet loyal to a fault, Oba is a specialist in small supporting roles that pack a punch. As such, he usually finds himself cast as an assistant, where his good-intentioned but head-first charge into action can sometimes have unintended conseequences for his companions.
Ongoing Serial: a series of episodes, published over a span of weeks/months/years where the story plot is connected from chapter to chapter and must be read in chronological order for it to be understood properly.
Chapter Serial: a series of episodes, published over a span of weeks/months/years where the story plot is self-contained to a single chapter. There may be an overarching plot, but the stories can generally be read in any order and be understood
Book: an all-in-one self contained story published as a one-off.
Supplement: an an all-in-one self contained story published as a stand-alone supplement to a regular weekly/monthly periodical.
Short Story: an all-in-one, self contained story that was published in a regular weekly/monthly periodical
Anthology: a collection of all-in-one, self contained stories that were published in a regular weekly/monthly periodical but are generally grouped together.