Wikipedia
Zoids
is a science fiction media franchise created by Tomy that feature giant robots (or "mecha") called "Zoids". A Zoid is essentially a large mechanical animal, with designs being based on animals such as Tigers, Lions, or various Dinosaurs.
The franchise started with a model-kit-based toy line and includes four main anime TV series (Chaotic Century, New Century, Fuzors and Genesis) as well as several video games and manga products.