Question: what is the real name of Alex Andreas's potrayal on satge of The Big Bopper?

Context articles: Alex Andreas
Three Stars (song)
The Big Bopper
Luke Tonkin
White Lightning (The Big Bopper song)
Chantilly Lace (song)
Surf Ballroom
Buddy's Buddy
Frankie Sardo
Running Bear

Alex Andreas (formerly Alex Andrea) (born 9 September 1970 ) is an English actor/singer.
 He trained at the London School of Musical Theatre (LSMT), and is probably best known for his portrayal on stage of The Big Bopper in "The Buddy Holly Story", between 1996–2001, in Hamburg, Germany, and on tour in the UK.
 He is currently playing Tony Scibelli in The Bodyguard Musical UK No. 1 Tour.
"Three Stars" is a song written by Tommy Dee in 1959, as a tribute to Buddy Holly, Ritchie Valens, and J.P. Richardson (The Big Bopper), who died in a plane crash earlier that year.
 The song was recorded by Tommy Dee with Carol Kay and first released on April 5, 1959, by Crest Records.
 It sold over one million copies and was awarded a gold disc.
 However the song was off Billboard and the airways by March 30, 1959.
Jiles Perry "J. P." Richardson Jr. (October 24, 1930 – February 3, 1959), known as The Big Bopper, was an American musician, songwriter, and disc jockey whose big rockabilly look, style, voice, and exuberant personality made him an early rock and roll star.
 He is best known for his 1958 recording of "Chantilly Lace".
Luke Tonkin is an Australian actor who made his professional musical theatre debut in the Helpmann-nominated children's musical "My Grandma Lived in Gooligulch" and toured the show nationally.
 He also played the role of the Big Bopper in the Australian tour of "Buddy - The Buddy Holly Story".
 He has toured Australia in "Wombat Stew", "Happy Birthday Peter Rabbit" and "Stripey".
"White Lightning" is a song written by the rockabilly artist J. P. Richardson, best known by his stage name, the Big Bopper.
 The song was recorded by American country music artist George Jones and released as a single in February 1959.
 On April 13, 1959, Jones' version was the first number-one single of his career.
 The song has since been covered by numerous artists.
"Chantilly Lace" is the name of a rock and roll song written by Jerry Foster, Bill Rice, and Jiles Perry "The Big Bopper" Richardson, the last of whom released the song in August 1958.
 The single was produced by Jerry Kennedy.
The Surf Ballroom (the Surf) is a Historic Rock and Roll Landmark at 460 North Shore Drive, Clear Lake, Iowa.
 The Surf is closely associated with the event known colloquially as "The Day the Music Died" - early rock and roll stars Buddy Holly, Ritchie Valens, and J. P. "The Big Bopper" Richardson gave their last performances at the Surf on February 2, 1959 as part of the "Winter Dance Party Tour".
Buddy's Buddy: Buddy Holly Songs by Jimmy Gilmer is an album by singer Jimmy Gilmer, released in 1964.
 The album is a tribute to Buddy Holly who died in a 1959 plane crash along with Ritchie Valens and The Big Bopper.
Frank Sardo Avianca (September 16, 1936 – February 26, 2014), who performed as Frankie Sardo, was an American rock and roll singer, actor and film producer.
 He was a member of the ill-fated Winter Dance Party in 1959 after which Buddy Holly, Ritchie Valens and J.P. "The Big Bopper" Richardson lost their lives in a plane crash the morning after a show in Clear Lake, Iowa.
"Running Bear" is a song written by Jiles Perry Richardson (a.k.a. The Big Bopper) and sung most famously by Johnny Preston in 1959.
 The 1959 recording featured background vocals by Richardson and George Jones and the session's producer Bill Hall, who provided the "Indian chanting" of "uga-uga" during the three verses, as well as the "Indian war cries" at the start and end of the record.
 It was No. 1 for three weeks in January 1960 on the ""Billboard" Hot 100" in the United States.
 The song also reached No. 1 in the UK Singles Chart in 1960.
 Coincidentally, "Running Bear" was immediately preceded in the Hot 100 No. 1 position by Marty Robbins' "El Paso", another song in which the protagonist dies.
 "Billboard" ranked "Running Bear" as the No. 4 song of 1960.