Merci(メルシーMerushī) also known as (ISDC5386292C4 Mainframe) is a computer system AI created and used by Doji, primarily in his Dark Nebula time. This computer system can speak Japanese, as well as some English and French. "Merci beaucoup" and "Très bien" seem alike to catchphrases to him and he generally addresses people in French (e.g. 'Monsieur Gingka').