Conversation so far:
What was Jeff Dunham's first hit on comedy central?
On July 18, 2003, Dunham appeared on Comedy Central Presents, his first solo appearance on Comedy Central.
What was it titled?
he showcased Jose Jalapeno on a Stick, Walter, an early version of Melvin the Superhero Guy.
How did it fair?
The appearance was successful, but Comedy Central resisted giving Dunham more airtime.
Why did they resist?
but Comedy Central resisted giving Dunham more airtime, feeling that he was not a good fit for them.
What did he do next?
By 2005 Dunham decided to gamble on financing his own comedy DVD, Jeff Dunham: Arguing with Myself.
When did that release?
2005.
How did the DVD do?
In late 2006, Comedy Central aired Arguing with Myself, drawing two million viewers when it aired, and selling two million DVDs.
What did he do after that dvd released?
In 2007, Dunham appeared as The Amazing Ken with Jose Jalapeno on a Stick in the Larry the Cable Guy feature film Delta Farce.
Did he go on tour?
South Africa, Australia, Norway, Denmark, China, and the Middle East.

Question: What was if most popular special?
Self-contained rewrite: What was the most popular special in Jeff Dunham's "First Comedy Central specials"?