Yes, you can stream and monetize videos you make of Happy Grumps!
I, Glenn LaBarre, hereby grant permission for anyone to stream and make videos of Happy Grumps and to monetize these videos and streams. Glenn LaBarre owns all of music, art, and intellectual property of Happy Grumps. Glenn LaBarre has full rights to grant this permission, and no-one else has any copyright claim to any of the content of Happy Grumps that could supersede this permission.
Please contact Glenn LaBarre at firstname.lastname@example.org with any further questions or inquiries.