This is a list of all teams that have entered more than one robot in Robot Wars: Extreme Warriors or Nickelodeon Robot Wars. Each of a team's robots are listed under the series in which they were entered. The list features all entries in all US Series events including international and side competitions. Teams that entered one robot of their own and one loanerbot are not included, but loanerbots are included on the list for teams that entered at least two of their own robots, and are denoted with (L).