With his boyish good looks, he is the spitting image of every girl's ideal "Prince Charming". A skilled athlete, good-looking, and the Prince of Silverland, Franz has it all.
With his completely bald head, round, beady eyes' and small "O-shaped" snout, Tako is the spitting image of his namesake - the Japanese word for "octopus" (tako). Besides his face, he is sometimes depicted as having octopus legs threaded through his sleeves instead of his hands.
Squarely in the "don't blink or you'll miss him" category of Tezuka's supporting characters, Yottsun and his wife Mittsun are a husband-and-wife duo who specialize in fading into the background.
Nonki Megane is a career minor role player, usually cast as "one of the sailors/soldiers/staff members" or someone else's assistant. Assumed to be based on Yutaka Aso, one of manga's pioneers and creator of a popular strip known as Nonki na Tousan (1923) ['Easygoing Daddy'], his own easy-going demeanour as a well-intentioned bumbler seem a good match.
Despite being named after a well-known "nearsighted-bumbling-fool" American cartoon character, Magoo's elderly appearance usually brings a sense of stability and a sort of "wisdom that comes with age" authority to his roles.
Noble and heroic, Ben comes from the pantheon of Tezuka animal heroes, such as Dan, the tiger and titular character from Brave Dan (1962) and Don, another canine hero who appears in the Lion Books chapter "Muse and Don" (1972).
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.