If it is a fully grown male gollila, I suggest you call him whatever he likes to be called.
Well when a mommy and a daddy gorilla love each other very much...
A baby gorilla is called an infant, or sometimes referred to as a "baby gorilla" or "gorilla baby."
Gorilla is called "गोरिल्ला" (Gorilla) in Hindi.
A baby of a gorilla is called an infant.
A pony.
A group of gorillas is called a band.
A mature Gorilla having silver hair is called silverbback gorilla .
A mature Gorilla having silver hair is called silverbback gorilla .
Females are called graybacks and males are called silverbacks.
A group of gorilla is called a band or a troop. Gorillas usually live in a band or troop of 5-30 lead by a single adult male.
Kerchak is the name of the bigger patriarch gorilla, Kala is the gorilla that raised Tarzan, and Terk is the spunky young gorilla that befriends Tarzan.
a baby gorilla is called a pup