Okay, I had to find this out for sure. Turns out the character's name was Louie the Lightning Bug.

Here's a Youtube clip to maybe jog people's memory. Also, while there's no toaster-related advice in it, you might want to pay attention, seeing as electricity seems to "connect" with you so often.

Just be warned, I swear, you listen to this and the song will be in your head for the rest of the day.