The most classical Egg shape is the full bent, available with taper, saddled or more often Army Mounted mouthpiece. But we can also find a straight or lightly bent Egg.
The shape of the bowl is, obviously, a perfect and symmetric Egg.

CONNECTED SHAPES

The Apple is also available in the Bent style with 1/16, 1/8, 1/4 or full bent stem.

The Hawkbill shape has a large ball bowl with bent shank and stem. The first one was made by Castello: #84.