I noted a number of questions regarding the Good n Plenty Choo Choo Charlie lyrics.
there was a good attempt posted in
http://www.inthe00s.com/archive/misheard/1076506722.shtml

A more accurate reading of the lyrics comes from the following url which contains the story and lyrics.  ;
https://www.candyfavorites.com/blog/choo-choo-charlie-says-love-my-good-plenty/

""In short, the  Quaker City Confectionary Company settled with Good & Plenty as the name instead of the less catchy Bad & Scarce.

It was over 50 years, yes fifty years, after the candy was first produced, the company came up with a catchy cartoon character for marketing the candy. Choo Choo Charlie quickly became popular to kids all over America with his theme song:

    Once upon a time there was an engineer
    Choo Choo Charlie was his name, we hear.
    He had an engine and he sure had fun
    He used Good & Plenty candy to make his train run.
    Charlie says “Love my Good & Plenty!”
    Charlie says “Really rings my bell!”
    Charlie says “Love my Good & Plenty!”
    Don’t know any other candy that I love so well!

I am 71 years old and remember this very well.  I sang and recorded it for you, but I do not know how to attach an mp4. 

Given that:
- I had to register;
- Searched for official jingle;
- Sang and recorded it (but don't know how to attach)
I feel I have done enough for the cause, and do not intend to contribute anything else.
I do not know how to un-register.

Peace and love to whoever reads this and all related DNA,
Toodle-loo!