I think I'd have to say "Dororo no Uta" is the catchiest. Although my japanese is very poor. I've always wondered what the lyrics would translate to in english. I've been told it is mostly childish nonsense, but I can pick up a few lines like:
These are rough phrases that I can understand:
akai yuuhi ni terihaete
reflecting the red beam of dusk
moeru yoroi ni moeru uma
flaming armor and flaming horse
Sorry if this isn't accurate... wondering if anyone who is better with japanese could help with translating or even romanizing this song. I have seen the song romanji on this site and tried to figure out what the english might be.
I also heard that a CD of Tezuka OP and Ending themes may have had the lyrics in kanji. If anyone can point me in the right direction I would greatly appreciate it.
dbishop