<Li> The Finnish symphonic metal group Nightwish performed a cover of "The Phantom of the Opera", the title song of Andrew Lloyd Webber's hit musical, on their 2002 album Century Child--with bassist Marco Heitala as The Phantom . </Li> <Li> The symphonic metal group Dreams of Sanity also covered "The Phantom of The Opera" from Webber's musical, featuring Tilo Wolff from Lacrimosa as the phantom, the band was signed to Wolff's record label "Hall of Sermon". </Li> <Li> The Phantom is also featured in the Night Gallery episode "The Phantom of What Opera?", starring Leslie Nielson as Erik, though his name is never directly spoken . </Li> <Li> The Count Duckula episode "A Fright At The Opera" parodies The Phantom of the Opera . </Li>

What disease does the phantom of the opera have