<P> Barney concludes with "I Love You" before he dissolves back into his original stuffed form and winks to the audience . After the children discuss what they have learned, the sequence cuts to Barney Says (in Seasons 1 - 8 and 12 only) where Barney, who is off - screen, narrates what he and his friends had done that day, along with still snapshots from the episode . Then Barney, himself, signs off before the credits roll . In Seasons 3 - 8, and 12, he later appeared on - screen by saying, "And remember, I love you," and waved goodbye before the credits roll . </P> <Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2015) (Learn how and when to remove this template message) </Td> </Tr> <Ul> <Li> Barney: The main character is a purple and green Tyrannosaurus in stuffed animal likeness, who comes to life through a child's imagination . His theme song is "Barney is a Dinosaur," whose tune is based on "Yankee Doodle". Barney often quotes things as being "Super dee - duper". Episodes frequently end with the song "I Love You", sung to the tune of "This Old Man", which happens to be one of Barney's favorite songs . Despite being a carnivorous type dinosaur, Barney likes many different foods such as fruits and vegetables, but his main favorite is a peanut butter and jelly sandwich with a glass of milk . He also loves marching bands and parades . He also has a slight northeastern accent . His full name is Dr Barnaby Clarence Vax'ildan The Dinosaur M.D.O.B.E </Li> <Li> Baby Bop: A green Triceratops, who was originally two years old, but turned three in "Look at Me, I'm 3!" ". Baby Bop has been on the show since July 29, 1991 . She made her debut in the video "Barney in Concert". She wears a pink bow and pink ballet slippers, and carries a yellow security blanket . She sings the song "My Yellow Blankey" to show how much her security blanket means to her . She likes to eat macaroni and cheese and pizza . She is the younger sister of B.J. . </Li> <Li> B.J.: A seven - year - old yellow Protoceratops, B.J. has been on the show since September 27, 1993 . He is the older brother of Baby Bop, whom he frequently calls "Sissy", but calls her by her name on rare occasions . He sings the song "B.J.'s Song" about himself . He wears a red baseball cap and red sneakers . He lost his hat in the episode "Hats Off to B.J.!", and sometimes says things to hide his fears (for example, in the episode "Barney's Halloween Party", he was shocked by the paper spiders and after learning they were fake, he said "I knew that, sort of"). Pickles are his favorite food and he has tried them in various ways, such as on pizza . </Li> <Li> Riff: An orange six - year - old hadrosaur, who is Baby Bop and B.J.'s cousin . Riff has been on the show since September 6, 2006 . He wears green sneakers . His theme music is "I Hear Music Everywhere ." Riff loves music and it is in almost everything he does . In the episode "Barney: Let's Go to the Firehouse", it was revealed that Riff also likes to invent things; he created a four - sound smoke detector (the first three were different alarm sounds and the final one his own voice). He is shown to have an interest in marching bands and parades . </Li> </Ul>

Barney and friends cast where are they now