I've decided to make a set of guidelines and tips for creating new characters. Please keep them in mind when brainstorming.

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• Think originally - Or rather, think originally within the context of the setting. Try not to base your characters and abilities too heavily on those of existing, Official characters. This does not mean that you cannot create a character with a Buster weapon or with similar fighting styles. You should focus on how a character thinks and feels, as well as backstory. Try not to make a character that is essentially a copy of Geo Stelar or Lan Hikari, etc. Explore different ages and occupations, for instance.
  
• Still need inspiration? Choose sources wisely - If you need inspiration for creating a character, this is fine. If you want to loosely base a character on one from another series, you may do so as long as appropriate changes are made to where it is more of a subtle homage. Taking inspiration from folklore or mythology is also up for grabs, granted the idea hasn't already been used in the series or by another player. Do not copy names, and if possible, avoid using copyrighted images to describe a character's appearance. This will come off as very unoriginal and will not score well with the moderators. This setting should encourage you to be creative and to explore newer ideas and stories.
  
• Do not create long-lost secret siblings - You should avoid at all times making a character that is directly related to an official cast member. Lan Hikari and Hub Hikari are the only children in the family, and we shouldn't make assumptions about their extended relatives. Creating a character that is Lan's long-lost brother or sister, for example, conflicts with the story, is contrived, unoriginal, and can be seen as a terrible attempt to get perks for being related to Lan and MegaMan, etc.
  
• Pretend your character is "Level 1" - Basically, create a character under the assumption that he or she is not very powerful and may lack experience. This will allow room for growth and improvement, as well as prevent godmodding. Avoid giving the character too many skills and/or weapons. This guideline is subjective, though, as certain backstories, etc., may allow for more versatility. Bosses may also be exceptions.