Yes, you can. You can add the video details and their price (if any of them are paid videos). This is how you will be able to tag them under channels/pornstars/categories as well.

1. To upload your own videos in bulk, go to Videos > Bulk Upload.
2. Here, use the file browser to select all videos you would like to upload.
3. Enter all the required fields.

 Click on the Upload All button.