Meet my friends

1
Meet my friends The shape people
2
Mr Circle
I have one curved edge
3
Mr Triangle
I have 3 corners
and 3 sides
4
Mr Square
I have 4 corners
and 4 sides all the same
5
Mr Rectangle
I have 4 corners
My other name is Oblong
2 long sides
2 short sides
6
Mr Pentagon
I have 5 corners
And 5 sides
7
Mr Hexagon
I have 6 corners
And 6 sides
8
What are our names?