#spawn Hill_Giant 18 20 2 900 2 1
The head is still wrong, the docs don't list being able to specify the head with the spawn command (think it needs to be 1 or 2)
#spawn Cyclops 18 20 0 900 2 1
If you want a propper cyclops... err well both need to be resized
You need to use _ instead of spaces in names.