We found one dictionary that defines the word characters in the portal series:

General (1 matching dictionary)

1. Characters in the Portal series: Wikipedia, the Free Encyclopedia

▸ Words similar to characters in the portal series ▸ Usage examples for characters in the portal series ▸ Idioms related to characters in the portal series ▸ Wikipedia articles (New!) ▸ Words that often appear near characters in the portal series ▸ Rhymes of characters in the portal series ▸ Invented words related to characters in the portal series