Jdevil3 on 08 December 2013
From google:
Chou Tengen Toppa Gurren Lagann is 52.8 billion light years tall according to the offical guide book from GAINAX and after transforming into a drill its length is multiplied 10 times.
That means Chou Tengen Toppa Giga Drill Breaker is 528 billion light years tall :O