Hello mirado. Thanks for posting. Allow me to quote Twice’s reason:
That way, the entire community is aware of your character and can comment. 
Also, regarding your instinct, what is he prepared for? If it is for combat, I can see him being armed to the teeth, if it is for adventure, I can see him being laded with ropes, hooks, etc. If it is for both, I can’t see a mouse carry all that gear!