ר' אבהו

Rabbi Abahu, Rav Adda, and Rava bar Hanan came before Rabbi in the chapter "Where They Have the Custom" [(I did not find)]. And this is not the well-known Rabbi Abahu, the student of Rabbi Yochanan, for this one was in Babylon [(attributed in the name of Rabbi Yishmael the Wise), and perhaps this is the one who sat before Rav Ashi (see above regarding Rabbi Abahu)].