Question: Matthew Senreich co-created Robot Chicken with the voice of what Family Guy character?

Context paragraphs:
Titan Maximum: Titan Maximum is an American stop motion animated television series created by Tom Root and Matthew Senreich.  The series premiered on Cartoon Network's late night programing block, Adult Swim, on September 27, 2009 with its finale airing on November 22, 2009.  A teaser premiered during the ""Robot Chicken" on Wheels" tour and at the 2009 San Diego Comic-Con International.  It is a parody of the "Super Robot" anime style produced using stop motion animation.

Stoopid Monkey: Stoopid Monkey, LLC (stylized as sTOoP!d MoNkEy) is the production company of Seth Green and Matthew Senreich, established in 2005.  It is one of the producers of the Adult Swim animated television series "Robot Chicken" and "Titan Maximum".

Matthew Senreich: Matthew Ian "Matt" Senreich ( ; born June 17, 1974) is an American screenwriter, television producer and director, best known for his work with animated television series "Robot Chicken", which he co-created with business partner Seth Green.

Star Wars Detours: Star Wars Detours is an American computer-animated television series produced by Lucasfilm Animation in collaboration with "Robot Chicken" creators Seth Green and Matthew Senreich.  Although roughly two seasons of the show exist, they have never been released to the public.  Since The Walt Disney Company's acquisition of Lucasfilm in 2012, the show has been on hiatus, to allow Lucasfilm Animation to focus fully on the next entries in the "Star Wars" film saga, Episodes VII-IX.  It is unclear if the finished episodes will be released at some point in the future.

Doug Goldstein: Douglas "Doug" Goldstein (born September 12, 1971) is an American screenwriter and television producer and director, primarily known for his work as co-head writer on the late-night animated series "Robot Chicken".  He won two Emmy Awards for episodes of "Robot Chicken" and has won one Annie Award for "".

Robot Chicken: Star Wars Episode III: Robot Chicken: Star Wars Episode III (also known as Robot Chicken: Star Wars III) is a 2010 episode special of the television comedy series "Robot Chicken", and the third and final installment in the Annie Award-winning and Emmy-nominated "" trilogy.  It premiered on Cartoon Network's Adult Swim programming block on December 19, 2010.  The special is 45 minutes long, as opposed to the usual 11-minute "Robot Chicken" runtime and the 21-minute runtime of the two previous Star Wars specials.  It was the final "Robot Chicken: Star Wars" special.

Seth Green: Seth Benjamin Green (born Seth Benjamin Gesshel-Green; February 8, 1974) is an American actor, voice artist, comedian, producer, writer, and director.  Green is the creator, executive producer, writer, director and is the most-frequent voice on Adult Swim's "Robot Chicken".  He directed many of the "Robot Chicken" specials including "" and "DC Comics Special".  His feature films include "Airborne", "The Italian Job", "Party Monster", "Can't Hardly Wait", "Without a Paddle" and the "Austin Powers" series.  Green is also known for his role as Chris Griffin on Fox's "Family Guy" and previously as Daniel "Oz" Osbourne in "Buffy the Vampire Slayer", and "Greg the Bunny".  He voices Lieutenant Gibbs in "Titan Maximum" and Jeff "Joker" Moreau in the "Mass Effect" video game series.  Green has appeared in movies such as "Rat Race", "America's Sweethearts", "Old Dogs", as a child in Woody Allen's "Radio Days", and in the horror films "Idle Hands" and "Stephen King's It".

Robot Chicken DC Comics Special: Robot Chicken DC Comics Special is an episode of the television comedy series "Robot Chicken" and it was aired as a one-off special during Cartoon Network's Adult Swim on September 9, 2012.

Robot Chicken: Star Wars: "Robot Chicken: Star Wars" (also known as "Robot Chicken: Star Wars Episode I") is a 2007 episode of the television comedy series "Robot Chicken", airing as a one-off special during Cartoon Network's Adult Swim block on June 17, 2007.  It was released on DVD on July 22, 2008.

Robot Chicken: Robot Chicken is an American stop motion sketch comedy television series, created and executive produced for Adult Swim by Seth Green and Matthew Senreich along with co-head writers Douglas Goldstein and Tom Root.  The writers, especially Green, also provide many of the voices.  Senreich, Goldstein, and Root were formerly writers for the popular action figure hobbyist magazine "ToyFare".  "Robot Chicken" has won an Annie Award and five Emmy Awards.

Supporting paragraphs: Matthew Senreich Seth Green
Answer: Chris Griffin