Vayu is the god of winds. He is born from the breath of Purusha.
Hanuman is the son of Vayu.

Attributes :

Banner (Dhwoja):
The banner in hands of a god is a weapon.
It signifies the victory .
To pay respect to the banner brings luck.

Riding Animal :
Vayu travels in a shiny chariot pulled by white or purple horsers (2, 49 or 1000)
Sometimes he rides an antelope.

Other names of Vayu :
Vata .
Pavan (purifier).