Below is a list of characters that are part of ‘The Simpsons’ character set along with their picture
Homer Simpson
Marge Simpson
Bart Simpson
Lisa Simpson
Grampa Simpson
*Maggie is a non-playable character
The Simpsons
Tapped Out Daily
The Simpsons ™ and The Simpsons ™: Tapped Out © and FOX, EA, and their related companies. All rights reserved. This is a fan website set up to promote The Simpsons ™: Tapped Out © and no copyright infringement is either implied / intended. This web site, its operators, and any content contained on this site relating to The Simpsons ™ and The Simpsons ™: Tapped Out © are not authorized by FOX or EA. All images used on this site are copyright of the original owner/uploader
Tapped Out Daily 
This web site certainly has all of the information I wanted about this
subject and didn’t know who to ask.