Blogger was created by Pyra Labs and then bought by Google in 2003.However, if you log into google without logging into blogger, you will not be signed in like you would be for other google products. Google owns blogger, but there seems to be a disconnect, and they cannot partner easily.
Blogger is a platform for free blog publishing and BlogSpot a service provider of free domain.Both are owned by Google, Google hosts Blogger services on subdomain of blogspot.com. So whenever you will make any blog on blogger.com it will redirect to blogspot.com. both are auxiliary to each other.
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To delete your blogger follow the steps in the related links.
Blogspot, also known as Blogger, is owned by Google. The platform was originally developed by Pyra Labs in 1999 but was acquired by Google in 2003. It allows users to create and manage blogs easily, and it integrates with other Google services.
Blogger, Wordpress, Typepad & Joomla are the top players as of December 2010. It's going to be quite a while until Wordpress & Blogger get beat out, as Wordpress is the largest and Blogger, well let's just say they are owned by GOOGLE.... and they certainly aren't going away anytime soon :)
The two most popular free blogging sites are Wordpress and Blogger/Blogspot (owned by Google). Other sites include TypePad, LiveJournal and Webs.com.
Go to Blogger, sign in with your Google or Gmail account and follow the steps one by one. That's it.
BLOGGER
Google Blogger Service.
The name of Google blog property is Blogger.Their service is called "Blogger".
Google Blog is a search pertaining to a subject interested to you presented by another blogger. You can read opionions, latest news or entries made by a blogger on a particula subject.
Yes, it's free. All you need is a Google account.