Edmond Hamilton 
Captain Future #25: Pardon My Iron Nerves 

If you think Grag’s an insensitive robot, read his own account of getting psychoanalyzed and repairing to Pluto’s Fourth Moon!

The Captain Future saga follows the super-science pulp hero Curt Newton, along with his companions, The Futuremen: Grag the giant robot, Otho the android, and Simon Wright the living brain in a box. Together, they travel the solar system in series of classic pulp adventures, many of which written by the author of The Legion of Super-Heroes, Edmond Hamilton.