Are you asking if it is illegal to add words to anime avatars? According to the patent network query.

1. According to the relevant laws and regulations, users are not allowed to use their comic pictures without the permission of the copyright owner, let alone distort, tamper with or plagiarize their comic pictures. It is not illegal to abide by laws and regulations and obtain authorization.

2. Failure to comply with laws and regulations, commercialization, distortion and other acts are illegal.