Pewlew 6784 is a large multiverse with a strange structure that contains TARDIGRADE 10501, the largest known universe. PEWLEW 6784 isn’t the largest known multiverse however, as there are 2 multiverses larger than it:
PEWLEW 27483 (largest, 347 quintillion ly)
PEWLEW AZ-16726 (2nd largest, 294 quintillion ly)
it is part of the PEWLEW family, known for being strangely-shaped and very large.