Can I put this Clown with that clown??

Ok so I have a beautiful mated pair of true percs I will probably never part with them. Thank you Gigi!! But I have a little guy like an inch maybe inch and a half but either way very small. I have a 100 Gallon tank. Will he be ok in this tank with the mated pair? I don't want him getting killed for no reason. Any experience or opinions on this? Any help is good help. Thanks in advance.
 
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