As part of Level-5's franchise development, the Danball Senki (DS) series share various similarities between characters and other facts amond other L5 merchandise. Both the Danball Senki series and the Inazuma Eleven (IE) series exists in different universes, till the crossover movie, Inazuma Eleven GO VS Danball Senki W temporarily adjoins the two universes for the movie's storyplot.
- Sousuke Zaizen (Japan's Prime Minister) (DB x IE)
- Oushou Kakuma (Commentator) (DB x IE)
- M. Gojou (Support character) (DB x IE)
- Pretty Reina (Fictional character) (DB x IE)
- Rairaiken (Restaurant) (DB x IE)