Maemuki Rocket-Dan!

Here are the Japanese lyrics, as provided by Tigerspirit (source unknown).

Maemuki Rocket-Dan

Sung by:
Musashi
Kojiro
Nyasu
Sonansu

Pappaparaparaparaparapara!!
Pappaparapappa~ (So-nansu!)
Pappaparaparaparaparapara!!
Ra ri re ru Rocketto-Dan!

Yatsu to ajito ni todoritsuku
Horohoro Rocketto-Dan!
Kyo no haiin nyanda rou? Hai!
Hansei kai haji nu-tsu!

Satsu to fui kaesu de mi mashi yo!
Kyo no tatakai wo
Asoko de aasu ri ya yo ka tsuta nya... Hai!
Hansei kai one i-tsu!

Kuyo kuyo TAIMU nante 5 biyoy de jiyuu bun
Sonna koto yoi ashita no tanuno gohan desu!

(Yahooo!)

Yaru ki ga mori mori mori mori agaro
Kibou ga muku muku muku Maemuki Rocketto-Dan!

(Sososo So-nansu!)

Pappaparaparaparaparapara!!
Pappaparapappa~
Pappaparaparaparaparapara!!
Ra ri re ru Rocketto-Dan!
Maemuki Rocketto-Dan!
(So---nansu!!)