Found something that might be related to this.
From The Lost Media Wiki
I found a collection of KidsWB bumpers from 1995 to 1997. The first few may be related to this. https://www.youtube.com/watch?v=BwY3mhPta_M
I found a collection of KidsWB bumpers from 1995 to 1997. The first few may be related to this. https://www.youtube.com/watch?v=BwY3mhPta_M