crusher is a green teicerotops mech with a hammer and smasher is a pink and purple panda mech with a hammer 2 pals. And they are brothers,and 2 of the 7 hammers the 7 swords successesors and close friends 2 pals. But the difference betweem them is the 7 hammers mechs are big and bulky and animal based and change color based on their users and have the same changing abilities as the 7 swords as well as them going and survyving space and they even have a beserker 4m that let's them trans4m in2 more powerful versions of themselves, as well as each of their hammers are different, as well as their animal 4ms 2 pals. And what makes them different then the 7 swords is that when all 7 hammers are combined, then they 4m in2 a mega powerful mecha as well as their hammers combine in2 1 awesome mega hammer 2 pals. And the stronger the user gets, the stronger the hammer and mech gets until it reaches it mega hammer 4m permitally and whenever they have a new owner they change size, shape and,animal as well as their mecha's 2 pals. And they can even combine with each other and,other mechs and even the 7 swords 2 pals. But they also have the same piloting system as the 7 swords but better and cooler and they've never lost a fight as well as win a single match with 1 single awesome blow of epicaly awesome poportions 2 pals.