NECA, in partnership with Twentieth Century Fox Consumer Products, has announced the next lineup of celebrities to be featured in The Simpsons 25 of the Greatest Guest Stars program.

The fourth installment in this limited edition boutique collection includes Buzz Aldrin, Tom Jones, Elvis Costello, Weird Al and Aerosmith.

In addition, the third wave of five celebrity figures and merchandise–featuring Penn and Teller, Bret Hart, Stephen King, Leonard Nimoy and R.E.M.–is now available at various retailers including Toys 'R' Us stores across the U.S. and online, as well as Hastings. This third product line joins the first and second wave of the collection, which includes Hugh Hefner, James Brown, Yao Ming, Tom Hanks, Kid Rock, The Who, Britney Spears, Mark Hamill, Lucy Lawless and Tony Hawk products.

The limited edition boutique collection features a diverse array of products including figures, collectibles and apparel featuring the animated likenesses of 25 of the most celebrated guest stars as they appeared on the show.