Tsongkhapa is the founder of the Gelukpa School and is the central figure in their Refuge Tree. He is dressed as a monk and wears the yellow pandita hat this lineage has become associated with.
Ganesha, the elephant headed god of wisdom and success is the defender and remover of obstacles and has to be propitiated first before worship to other gods.
Kubera is the lord of wealth and guardian of the Northern Direction. According the Hindu mythology, he is said to have performed austerities for a thousand years