B
| Character | Actor/Muppeteer | Description |
|---|---|---|
| Baby Bear | David Rudman | "Borrowed from the endearing Goldilocks and the Three Bears story", Rudman uses a "babyish lisp" when he voices Baby Bear. |
| Barkley | Toby Towson (1977-1978), Brian Muehl (1978-1984), Fred Garver (1984-1993), Bruce Connelly (1993–Present) | Originally named "Woof-Woof", he is a "large, friendly, shaggy dog" owned by Linda. |
| Beautiful Day Monster | Jim Henson, Frank Oz | Appeared on The Ed Sullivan Show, this puppet was used interchangeably with Cookie Monster the first few seasons of Sesame Street. He later crossed over to The Muppet Show. |
| Bennett Snerf | Jerry Nelson (AM Monster version), Caroll Spinney (Anything Muppet version) | (1970) Appeared in the Sesame Street sketch "What's My Part". He is a parody of Bennett Cerf. |
| Benny Rabbit | Kevin Clash | The "irascible" rabbit who works as a bellhop at the Furry Arms Hotel (which was part of the Around-the-Corner set expansion of the 1990s). |
| Bert | Frank Oz (1969–present), Eric Jacobson (1997–present) | (1969–) Ernie's best friend, he collects paper clips and bottle caps and is fascinated by pigeons and oatmeal. Unlike Ernie, he is tense and easily upset. |
| Betty Lou | Jim Henson, Frank Oz (Episode 67), Marilyn Sokol (Episodes 808 and 810), Lisa Buckley (1993), Fran Brill | An Anything Muppet girl who has blonde braided hair, is "friendly and unassuming", and owns several dolls of many sizes and elasticities. |
| Biff | Jerry Nelson | One-half of the Muppet construction worker duo, Biff is an "Archie Bunker-style blue-collar loudmouth". He and his partner Sully made for a "classic comedy team". Whenever they encountered a problem, Biff would ask for Sully's opinion but interrupt him before Sully could answer, and then Sully would be the one to come up with the solution. |
| Big Bird | Caroll Spinney (1969–present), Matt Vogel (understudy) | Developed during the 1968 curriculum seminars and created by Jim Henson, Big Bird is a 8-foot-2-inch tall big yellow bird with a slightly quirky and naive outlook on the world. He was the first Muppet to appear on the show and represents a 6-year old child who questions everything. |
| Big Jeffy | Jim Henson (puppeteer), Jerry Nelson (puppeteer), Kevin Clash (puppeteer, 1980s), Jeff Moss (voice) | A bearded hippie who's a member of the band "Little Jerry and the Monotones". He sometimes appears as a member of "Little Chrissy and the Alphabeats". Big Jeffy's name was dedicated to Jeff Moss. |
| Bip Bippadotta | Jim Henson | The wild-haired puppet featured in the Muppet segment "Mah Nà Mah Nà". He resembles Mahna Mahna from The Muppet Show, but sports sunglasses and is made from different Anything Muppets. |
| Bruno the Trashman | Caroll Spinney | Created by Spinney as a way to allow Oscar to move around and talk at the same time, Bruno is a silent trashman who doesn't talk much. |
| Buster the Horse | Martin P. Robinson | Forgetful Jones intelligent horse, who often helps his master get out of difficulties. |
Read more about this topic: List Of Sesame Street Muppets