From Homestar Runner Wiki
The Knight has barely changed; usually his socks and the flag on top of his head change, but he has evolved throughout the years.
| Image | Info | Created | Appearances | What's Changed?
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 | The original design | 2000 | The King of Town DVD, Tis True, Pom Pom, Tis True,The House That Gave Sucky Treats | N/A
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 | The current design | 2005 | Fall Float Parade, the movies, senior prom | His suit color and shading are lighter. His toes are no longer visible and the flagpole is shorter and gray instead of white. In senior prom, he seems to have five openings in his helmet instead of three. This may be just because he was facing forward.
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 | Alternative design | 2007 | KOT's VOQPCS | This isn't his current design, but it is alternative design used for KOTS VOQPCS. The toes on both of his feet are now visible. The lines on the bottom of his suit are gone. He has four openings on his helmet (when he stands to the side} instead of three.
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