Does anyone know what groups were responsible for founding the original English colonies in North America?

The English.

Yes, and then the french. This is the reason the english and french were always fighting over the colonies.

Read a book, use Google. It is basic history stuff here in Canada; is it not in the US ?

" original English colonies in North America?" Does that give you a clue? Original 13 states were all English citizens. Some,
Maine, later had French influences and Florida had Spanish. The British fought the Spanish in GA, near Brunswick and the Spanish never came back.

It is 5th grade curriculum in California.