Edited sentence: In the film, the fictional singing group called The Wonders star as Cap'n Geech and The Shrimpshack Shooters.The 1996 film That Thing You Do features a parody of 1960s beach movies.The Rat Pack motorcycle gang is largely a parody of The Wild One (1953); Harvey Lembeck's "Eric Von Zipper" spoofs Marlon Brando's performance as the leader of the gang.The movie within the movie is titled Weekend at Party Pier and features characters similar to Frankie Avalon and Annette Funicello