|Created and Designed by||Dan Murphy|
|First Appearance||"Blocking Blocker"|
|Episode count||All episodes (except two from Season 9 and four from Season 14)|
|Voiced by||Rob Paulsen|
|Friends and Allies||Rjstar (best friend)|
Speed Girl (girlfriend, probably)
- His head is tan with two eyes and a mouth.
- He wears a yellow shirt and pants.
- He has black pupils in his eyes.
- Rjstar and Derek wasn't always best friends, First off, they didn't like each other. But after they discovered that they like the same stuff, They are now friends.
- In the Season 19 finale, It's revealed that Derek and Speed Girl "supposingly" love each other.