Question: Travis Hampton Willingham is an American actor who provides voices on English language dubs of Japanese anime shows, as well as on cartoons and video games, he is the current voice of Knuckles the Echidna in the "Sonic the Hedgehog" video game franchise since which year, as well as in the "Sonic Boom" animated series?

<P0-S0>  Based on the Japanese video game franchise "Sonic the Hedgehog" created by Sega, the series is the fifth animated television series based on the franchise (plus the second one to be co-produced in France following "Sonic Underground"), and the first to be produced in computer-generated animation and in high definition. <P0-S1> Sonic Boom is a French-American-Japanese computer-animated action comedy television series, produced by Technicolor Animation Productions and Sega of America, Inc. in collaboration with Lagardère Thématiques and Jeunesse TV, respectively for channels Canal J and Gulli. <SEP> <P1-S0> David Richard Paul "Dave" Wittenberg is a South African-born American voice actor from the Los Angeles area who provides voice-overs in English dubs of Japanese anime shows, as well as cartoons and video games. <P1-S1>  His best-known role is voicing Kakashi Hatake in the "Naruto" series. <P1-S2>  Other major roles in anime include Michael Lee in "Witch Hunter Robin" and Takumi Fujiwara in the Tokyopop dub of "Initial D". <P1-S3>  In cartoons, he voices Bash Johnson in "", Franz's singing voice in the Disney animated film, "Planes", The Vision from "Marvel Heroes" and Time Baby from "Gravity Falls". <P1-S4>  In video games, he voices Trigger Happy from the "Skylanders" series, Mad Doctor from "Epic Mickey 2" and Buddy Alexander from "". <P1-S5>  He is also a script writer for some dubbed anime whose work includes episodes of the "" television series and narrates many documentaries and specials for the Travel Channel and the Food Network. <SEP> <P2-S0> Quinton Joseph Flynn (born October 10, 1964) is an American voice actor who is most notable for providing the English voices of video game characters such as Raiden in the "Metal Gear" series, Kael'thas Sunstrider in "World of Warcraft", Lea and his Nobody Axel in the "Kingdom Hearts" series, Reno in "Final Fantasy VII" and its sequels and prequels, Myifee in "Ninety-Nine Nights", and as Henry in "No More Heroes". <P2-S1>  He can also be heard in the strategy game "" as the Hum-vee, Missile Defender, Pathfinder, Raptor, and U.S. Pilot units. <P2-S2>  He is also a frequently recurring actor on the stop-motion sketch series "Robot Chicken" and the video game series "Crash Bandicoot", he is also the current voice of Silver the Hedgehog in the "Sonic the Hedgehog" franchise since 2010. <P2-S3>  His younger brother Bart Flynn is also a voice actor, both of whom have voiced characters on "The Grim Adventures of Billy & Mandy". <P2-S4>  Outside of voice acting, he has a 3 track record in digital format titled "Puzzled Yesterdays". <P2-S5>  He is also the narrator of the Investigation Discovery television series "I'd Kill for You". <SEP> <P3-S0> Travis Hampton Willingham is an American actor who provides voices on English language dubs of Japanese anime shows, as well as on cartoons and video games. <P3-S1>  He has worked for Funimation, Studiopolis, and New Generation Pictures. <P3-S2>  He is the current voice of Knuckles the Echidna in the "Sonic the Hedgehog" video game franchise since 2010, as well as in the "Sonic Boom" animated series, Guile in the newer titles of the "Street Fighter" series and Reggie Rowe in "Infamous Second Son". <P3-S3>  He rose to fame in the voice-acting world for his portrayal of Roy Mustang in the dub of "Fullmetal Alchemist". <P3-S4>  He reprised the role in "". <P3-S5>  Other roles include: Cleo in "Glass Fleet", Yu Kanda in "D.Gray-man", Portgas D. Ace in the Funimation dub of "One Piece", Takashi Morinozuka in "Ouran High School Host Club", several characters in "" and "Bleach". <P3-S6>  He also voices Thor in variety of the Marvel cartoons and video games, and King Roland II in "Sofia the First".