Possible Clues:

• 1983 song where the title character gets thanked a lot
• 1983 hit song that begins with 'Domo arigato'
• "Domo arigato" Styx song
• 1983 Styx hit
• 1983 Styx hit that begins in Japanese
• Styx song with some Japanese lyrics
• Hit from the 1983 platinum album 'Kilroy Was Here'
• A US hit for Styx in 1983