He's actually a terrible imposter, but he is forgiven because of cuteness.
Oh, look at this totally unsuspicious red panda just going for a walk....
Source: akane-x.tumblr.com
...wait a minute.... THOSE AREN'T RED PANDA LEGS.
IMPOSTER.
Source: akane-x.tumblr.com
BUT he takes baths in a Winnie the Pooh bowl in the sink, SO HE CAN BE AN IMPOSTER IF HE WANTS...
Source: @keep0109