The concept of a god varies greatly among believers.
You can believe in something that's not there but that belief is personal and not very potent.
For me the WTBTS has defined Jehovah as a back yard god. At their darkest level a backyard dog. A pet. The kind of pet that loves to be taken for a walk, play fetch, enjoys a bone to chew on. It is up to the WTBTS to interpret who it is and what it is.
On a slightly more sophisticated level Jehovah can help you find your keys if they are lost or a hidden leaking pipe. Really.
More recently his thoughts, as channeled through the GB, are concerned with you sleeping with a pillow between you legs. Have you ever humped a pillow? Had sexual contact with a pillow in any way shape or form?......that's where the worship of the one true god has led to.
All things considered........no.