Joshua

Joshua is the member of the Super Five Field Guardians and 4th opponent whom Bull had to face. Joshua later joined the Neo Shadow Alliance with Cain. It was later revealed that Joshua is Cain's butler instead of just a friend. When Cain was defeated, Joshua carried the unconscious Cain out of the NSA base to an unknown location. His B-Daman is Dragogale. He cries when Cain breaks their special B-DaBall.

(Source: Wikipedia)