it is the nine tailed beast (kuybi) seal
it's the seal that keeps the nine tailed inside of him that the 4th hokage placed on him (tearing away slowly)
No.
sakura
On her stomach, where her belly-button is.
He has no sisters.
B
narutos dad and 4th
October 10
No it is not. The ability to get stretch marks are individual and has nothing to do with the size of the belly.
It probably has a gassy belly or its just got gas. mark did it.
He does not have a middle name.
the best-sengan!
No