| Image | Info | Created | Appearances | What's Changed?
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 | Early sketches | ??? | Museum Sketchbook; flashback (middle right) | N/A
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 | First appearance | 1999 | Marshmallow's Last Stand; Old Characters Page | N/A
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 | Second Appearance | 2000 | A Jumping Jack Contest; Strong Libs; Yearbook Character Page (in photo); Dancin' Bubs | His singlet has changed to blue. The chest hairs have disappeared, as has most shading. The outline is thinner and his skin is lighter and less reddish. His toes are thicker and more rounded.
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 | Third Appearance | 2000 | Theme Song Video; The Luau; Strong Bad Sings; Homestarloween Party, The House That Gave Sucky Treats | The outline is now colored.
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 | Fourth Appearance | 2000 | A Holiday Greeting; Tis True, Pom Pom, Tis True; Yearbook Character Page | The "M" on his singlet is gone, his eyebrows are less slanted, and the shading is more advanced.
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 | Current appearance | 2001 | Toons from A Jorb Well Done to current; various Strong Bad Emails starting with little animal | His outine is thicker and darker. His shoes are also darker. His eyebrows are slightly more slanted. The "M" is back, but darker and with more white space and less shading. The shading is even more advanced. His mouth is a bit smaller, and when he speaks, his voice is slightly higher (This is because his voice is not slowed down like it was in earlier designs) and also raspier. He also talks more often, instead of the occasional growls and grunts he made before and his nose is facing a different direction.
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