How does Groot write his name?

Question

What is Groot's "full" name? (First, Middle, Last)

For example, how would he write his name on a job application?

a) First Name: I, Middle: Am, Last Name: Groot
  
  b) First: I am Groot, Middle: I am Groot, Last: I am Groot
  
  c) or just Groot for every field?

How does he write his name?

Valorum · Accepted Answer

Groot is (apparently) a mononym. Presumably he would be, on the sort of form you're describing

First Name: Groot.
Surname: N/A

He is referred to as "Groot" (no surname) in the prison scene in Guardians of the Galaxy:

One Answer