Ougon Yuusha Goldran
English name: The Brave of Gold Goldran
Genres: Action, Adventure, Fantasy, Sci-Fi
Type: TV, Episodes: 48
Aired: Feb 4, 1995 to Jan 27, 1996
Studio: Sunrise
Source: Original
Rating: G - All Ages
Synopsis:
Goldran follows the adventures of three young boys who are tasked with finding alien robot fighters, or Braves, that are sleeping in the form of crystals. Their major antagonist is the flamboyant and thoroughly incompetent Walter, and the villains that follow him are often similarly humorous. 

(Source: Wikipedia)