|First appearance||Obsoletely Fabulous|
|Voiced by||Billy West|
Sinclair 2K is an obsolete robot with very little memory. In fact, his memory is so bad, he forgot what his wife looked like.
- Sinclair 2K's design is based on Robby the Robot from the movie Forbidden Planet. His name is a reference to the Timex Sinclair computers, most likely the Timex Sinclair 1000, which had 2K of RAM.