He seems to be just a comic who moves about as a lackey to FURUHATA, but FURUHATA would often have a flash of inspiration to solve a case with IMAIZUMI's casual remarks being the key.
古畑の小間使いとして動き回っているだけの単なるにぎやかしのように見えるが、彼の何気ない言動を鍵にして古畑が事件解決の閃きを得ることが多い。