original off-Broadway poster
Music: Laurence O'Keefe
Lyrics: Laurence O'Keefe
Bat Boy: The Musical is an American rock musical with a book by Keythe Farley and Brian Flemming and music and lyrics by Laurence O'Keefe, based on a June 23, 1992 Weekly World News story about a half-boy, half-bat, dubbed "Bat Boy", who grew up living in a cave.
Bat Boy: The Musical was developed at the Directors Company and premiered at Tim Robbins' Actors Gang Theatre on October 31, 1997. Directed by Keythe Farley, and choreography by Derick LaSalla. The cast featured Deven May as Bat Boy and Kaitlin Hopkins as Meredith Parker.
The musical opened off-Broadway at the Union Square Theatre on March 21, 2001 and closed on December 2, 2001. Produced by Robyn Goodman and Michael Alden and directed by Scott Schwartz, with choreography by Christopher Gattelli, the cast featured Deven May as Bat Boy and Kaitlin Hopkins as Meredith, Sean McCourt as Dr. Thomas Parker, Kerry Butler as Shelley Parker, Kathy Brier as Maggie/Ron Taylor, Daria Hardeman as Ruthie Taylor/Ned, Trent Armand Kendall as Rev. Hightower/Mrs. Taylor/Roy/Institute Man, Jim Price as Bud/Daisy/Pan, Richard Pruitt as Sheriff, Doug Storm as Rick Taylor/Lorraine. The swings and understudies included John Treacy Egan, Stephanie Kurtzuba, and J.P. Potter.  Raquela Burt originally played Ruthie Taylor/Ned, but had to drop out of the show due to illness. The show was musically directed/keyboards by Alex Lacamoire, keyboards/assistant musical director Jason Debord, acoustic/ electric guitars Greg Skaff, electric bass Matt Rubano, drums Ed Fast. For the original cast album, the band was augmented by cello (Jeanne LeBlanc), French horn (Jeff Lang), flute/clarinet/oboe (C. Anderson), trumpet (Robert Millikan), and trombone (James E. Pugh).
The musical opened in the West End at the Shaftesbury Theatre on September 8, 2004 and ran through January 15, 2005. It again starred Deven May as Bat Boy, along with Rebecca Vere as Meredith, Johnny Barr as Dr. Parker and Emma Williams as Shelley. It had previously played at the West Yorkshire Playhouse.
It entered regional theatre in 2002 beginning with the Phoenix Theatre in Indianapolis, followed by New Line Theatre in St. Louis, MO in 2003 and 2006. Performance rights are currently administered by Dramatists Play Service, Inc.