ETC. What's Your Nickname?

After a long time working in a school. I came across with too many names and nicknames that I find fascinating. Is it only me?  How can parents be so creative in thinking these nicknames for their children.  Look at the list and let me know what you think.

Muffins
Cartoon
Tiger
Tigress (for a boy)
Coconut
Coco
Soda
Oh-O
3D
Lego
Time
Gun
Tycoon
Film

Do you know other fascinating child's nicknames?  List it down in the comment box.