Animate my 3d character for existing Unity game

hi i have this game : [url removed, login to view]!/content/32543 , so was planning to replace the characters in the game by 5 other characters like these :

[url removed, login to view]!/content/8420 so need the character animation existing like in the game to be added to these 5 characters . the animation of character in game was not possible to be added to the smoo characters coz it wasn't humanoid so needed a similar animation to be added to these smoo characters.

3Dアニメーション ３Dモデリング 3dsマックス アニメーション ユニティー3D

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