Wimpy doughboy?

• Unassertive one
• Caspar, of the comics
• A timid man or boy considered childish or unassertive

Wiktionary Word definitions in Wiktionary
a. meek, timid. n. (context pejorative English) A person of meek or timid disposition.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Milquetoast \Milquetoast\ n. [From Caspar Milquetoast, a character in a cartoon strip by H. T. Webster, The Timid Soul (1935).] a timid, unassertive man or boy fearful of confrontation and easily manipulated and dominated. Syn: sissy, pantywaist, pansy, ...

Wikipedia Word definitions in Wikipedia
" Milquetoast " is the first single by the American alternative metal band Helmet from their 1994 album, Betty . It is the album's fourth track and only charting single, reaching #39 on Billboard 's Mainstream Rock Tracks chart. Prior to Betty 's release, ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"timid, meek person," 1938, from Caspar Milquetoast , character created by U.S. newspaper cartoonist H.T. Webster (1885-1952) in the strip "The Timid Soul," which ran from 1924 in the "New York World" and later the "Herald Tribune." By 1930 the name was ...