Nilly and Eve are twins. And yes they are Jack and Sally Skellington's kids.

Nelly is tall and really skinny she gets that from her dad and well she's a doll like her mom. She has long black hair and pale skin. She has a pet snake named hissy she allways trys to feed her sisters spider to her.
Eve isn't as tall as Nelly but she is a Skellington like her dad. She has short black hair. She has a pet spider named Deadly she hide's him from Nelly because she trys to feed him to her snake.
Well it's a wonderfull gloomy day
Nelly's alarm gose off dun dun dun AHHHHHHHHHHH dun dun dun AHHHHHHHHHHH
Nelly wakes up and pics up her night stand lamp and smash's the clock. her snake wakes up and starts to hiss
Nelly: go back to sleep Hissy i'm going down stairs.
Nelly walks down stairs and see's Deadly
Nelly: Well hi there how would you like to visit Hissy today?
Eve walks is
Eve: Don't think about it
Nelly: why are you up this early?
Eve: It's only 8;30
Nelly: Wow where are mom and dad?
Eve: I think mom wen't to work and dads in his study
Nelly: Well I need a new clock
Eve: Why?
Nelly: I smashed it
Eve: Again?
Nelly: yup can you fix it before dad see's it
Eve: i'll try
Nelly walks over to the cabnet and takes out spider oates
Eve: That could be Deadly's cousin.
Nelly: All the more reson to eat it.
There dad walks in
Jack: Well nice to see that your up Nelly.
Nelly: good to be up
Eve: Hi daddy
Jack: helow Eve
Eve: Dad Nelly tried to feed Deadly to Hissy again
Jack: Nelly we go over this every morning. Don't feed Deadly to Hissy or no more internet.
Nelly: Fine
Eve: Well daddy i'm going to Anne's
Jack: ok have fun
Eve leaves
Jack: Nelly why don't you go to zekes
Nelly: We're mad at each other right now.
Jack: why?
Nelly: well Jill told ted who told adam who told Lora who told Lizzy who told James who told Zeke I like him and thats not true.
jack: then why are you two mad at each other if it's not true?
Nelly: Because like i said Jill told ted who told adam who told Lora who told Lizzy who told James who told Zeke I like him
With Eve at Anne's house
Anne is a gost and hates that people think gost are sad all the time.
Eve: Let's go to the Ghoul-berry
Anne: then you have to call your dad and tell him where we're going
Eve calls her dad but Nelly ansers
Nelly:Hello?
Eve: Hi Nel can i talk to dad?
Nelly: sorry he's in his study. Why?
Eve: Well me and Anne aregoing to the Ghoul-berry. Can you tell dad?
Nelly: I didn't think you liked to read.
Eve: Please tell dad where we're going please.
Nelly: Fine i'll go tell him. bye
Eve and Anne: BYE!!!!
End
Well I have to go to bed