SlimBob

Allows user to create up to 20 pages or posts at a time, choosing title, slug, parent, template, status, format, and content via the default WordPress Editor.

Bulk Page Maker

Create up to 20 pages or posts at a time! Choose title, slug, parent, template, status, format, and content via the default WordPress Editor.

Ruslan Mikhno

This is a very simple plugin that allows you to bulk change author for media files.
The action is added in the “List” view of the Media Library.

Bulk Change Media Author

Bulk change author for multiple media files, using the default WP Media Library.

Bulk Page Maker vs Bulk Change Media Author