Marge, Lisa, Maggie, Mona Simpson, Edna Krabappel, Sarah Wiggum, Manjula, Mindy Simmons, Helen Lovejoy, Maude Flanders, Agnes Skinner, Janey, Patty & Selma Bovier, Jacqueline Bovier, Jessica Lovejoy, Lurleen Lupkin, Shauna Chalmers, Ruth Powers, Laura Powers.
It may be best to Google "Female Simpson Characters" as there are a great deal of them and it may be easier for you to read them online instead of typing all the names out.
There are several female characters in The Simpsons but you are most likely talking about Marge Simpson. She is married to Homer and is the mother of Bart, Lisa and Maggie.
There are no Arabian characters on The Simpsons.
They was no episode of The Simpsons with Chelsea. Chelsea FC simply were represented as Simpsons characters as promotion for the Simpsons 25th anniversary.
There is about 100. You can go onto www.wikipedia.com and type in "list of the Simpsons characters" and you will find all of them, even guest characters
BartHomerMargeLisaMaggieNedKrustySeymoreEdnaMilhouse
No they are not. They are fictional cartoon characters.
There was a Celebrity Version of Sesame Street's Monster in the Mirror on YouTube. Some of the Sesame Street characters appeared on The Simpsons, including Elmo. There was also a part of one of the christmas episodes of The Simpsons where the Simpsons characters are puppets.
The same as they are today.
The name of the country singer on The Simpsons is Larline Lumpkin
No doubt Bart or Homer.
Dan is the voice of the very popular voice of the simpsons Homer, Abe and many other simpsons characters.
Changed how? literally change out the characters with new characters or physical characteristics changed? Neither were necessary.