Gradius Base - A site on Konami's shoot 'em up game, Gradius. Has a page abut Goemon cameos.

Gradius HomeWorld - Informative Gradius fansite with ROM downloads and Fan Works.

Twinbee Land - Twinbee site that covers other weird Konami games. Also has ROM downloads.

The Castlevania Dungeon - Fan site with info and media about this vampire-killing game.

Interview with the Mystical Ninja Cast - ADV interview the English voice actors of the anime.

Goemon Realm - A small fan site with a few info and media from the original MWSG page.

Mystical Ninja LJ Community - Livejournal community dedicated to anything Goemon-based.

Mystical Ninja Goemon - Contains reviews, images and trailer downloads of this PS2 game.

RPG Gamer Mystical Ninja Goemon - Small section with info, official art, screenshots and trailer.

Ganbare Goemon Lyrics - Lyrics to the songs of the Ganbare Goemon games and anime.

Goemon @ Anime Lyrics - Transliterated lyrics of Goemon anime. Contains lyrics to the first ending so far.

TV Tome Mystical Ninja - Reviews, episode listing and cast credits of the Ganbare Goemon anime.

Mystical Ninja Starring Goemon Quiz - A fun quiz to see which character you are.

N64 Mystical Ninja MIDI - MIDI files based on music from the N64 game.

SNESmusic.org - Has some music from the SNES Ganbare Goemon games.

CieL: Composition Luminous - CG illustrations of anime/game fanart and original characters by Wing.

Geri's Art Page - DeviantART gallery with various artwork and Goemon fanart by Geri.

Ninja Yashiki - Japanese Goemon fanart site apparently....although they seem to be quite well hidden ^^;

Mizu no SIGN - Japanese Goemon fanarts which are easier to find (here), plus Goemon MIDIs.

Cosmic Entrance - Lots of cool Goemon fanart & comics contributed by various Japanese artists.

Tsushima Naoto - Homepage of the Goemon Shinsedai comic artist with lots of artwork.