The confessed killer in Norway's twin terror attacks that claimed 77 lives has presented a long list of "unrealistic" demands, including the resignation of the government and that his mental condition be investigated by Japanese specialists, his defense lawyer said Tuesday.

Geir Lippestad told the Associated Press his client has two lists of demands. One consists of requests common among inmates such as for cigarettes and civilian clothing. The other is "unrealistic, far, far from the real world and shows he doesn't know how society works," Lippestad said by telephone.

Lippestad said 32-year-old Anders Behring Breivik links this second list to his willingness to share information about two other alleged terrorist cells that Breivik has mentioned during questioning.

"They are completely impossible to fulfill," Lippestad said, adding that although Breivik has agreed to be examined by local psychiatrists, he also wants to be investigated by Japanese specialists.

"He claims the Japanese understand the idea and values of honor and that a Japanese (specialist) would understand him a lot better than any European would."