| Image | Info | Created | Appearances | What's Changed?
|
| Early Strong Sad sketches. | Sept. 1996 | Sketchbook | N/A
|
| More early Strong Sad sketches. | Sept. 1996 | Sketchbook | N/A
|
| Even more early Strong Sad sketches. | Sept. 1996 | Sketchbook, flashback (bottom right), Main Page 20 (bottom right) | N/A
|
| The first Strong Sad design | 2000 | Super NES | N/A
|
| File:Crowd.JPG
| The second design | 2000 | Marshmallow's Last Stand, Old Characters Page | White and gray instead of dark yellow and light blue, outline and characteristics are no less sketchy
|
| File:ssdello1.png
| Yello Dello design | 2000 | In Search Of The Yello Dello DVD | Lost shading, longer arms
|
| File:ssdello2.png
| Second Yello Dello design | 2000 | In Search Of The Yello Dello DVD | Grey outline, rounder head
|
| The third design | 2000 | Theme Song Video, The Luau, Homestarloween Party, A Holiday Greeting, A Jorb Well Done, The House that Gave Sucky Treats, depressio, The Interview, Yearbook Character Page | Head shaded, body bigger, swirl mark at the top of the laid-back part gone.
|
| The current design | 2001 | The Best Decemberween Ever to current | Rounder, eyes are more glossy, outline is lighter but thicker, chest is slightly darker.
|
