Below is a list of characters whose reality does not have an official designation and we do not feel the reality is defined enough to assign a TRN to. NOTE: The list may also include characters whose home reality is totally unknown - they are only shown outside their reality with no indication of where they are from..
Power Princess was among the characters called up by a time projection by Justice Love to show that even without She-Hulk's intervention another super-powerful character could solve the situation involving criminals with super powers.
To avoid a possible future where Susan Storm would have been killed if she stayed in the Fantastic Four, Reed Richards thought to make joins Susan with another super group including the X-Men led by Charles Xavier.
Protector is the ultimate essence of life on Earth in an unidentified future. Although not humanoid it has human emotions and the desire for company. Being of immense powers, it healed and gave great powers to Nathan Cooper who became Megaman.
Punisher arrived to discipline a teenager who was flunking classes. Several years later with the Publisher's "encouragement" Jimmy graduated with 54 degrees. Punisher revealed his gun didn't have any bullets and just a flag that read "Stay in School".
This version of Puppet Master was using his powers to pay off his daughters' student loan and berated her about not getting a job. She left and attempted to sell/display her sculptures with the help of the Thing in a gallery. The owner did not accept her art and thought it was out of season. Later, she got a job as a cake decorator and one of her customers wanted a cake of the Thing which the Thing had to tell her she had made him green on the cake. The Puppet Master complained that the job still wasn't going to pay off her debts.