The only non-human primates without a tail are the great apes and regular apes such as gibbons . Of them the only one that walks upright all of the time is a Human. So the answer to your question is a Human. The other great apes can walk upright, but they do so only for short periods of time when needed.
A drill is a type of primate similar to a baboon or tail-less monkey.
A primate
Yes, humans are primates. That is the type of animal we are. We are one of the largest of the primates and the only one that walks upright. It is our bipedalism (walking upright), our ability to eat a varied diet and our larger brains that have helped us evolve to being self aware and eventually taking a great deal of control over this space. But we are still animals just like every other creature on the planet. And so we have a type just like the rest of them.
Voles are not a type of primate. They are actually a type of rodent. They are most closely related to lemmings and muskrats.
It is a type of fish that walks upright with fins,eats small organisms and gives birth to young alive.
The Mouse lemur.
The aye-aye is a primate. Specifically, it is a type of lemur.
primate
an elephant
A tulo is a type of mammal known as a primate. It is a small, nocturnal primate native to Madagascar. It is also known as a woolly lemur.
The aye-aye is not a cell, it is a type of lemur--a primate from Madagascar.
Marmosets are a type of monkey, specifically the Callitrichidae.