Vitellius ' legions : I Germanica , V Alaudae , I Italica , XV Primigenia , I Macriana liberatrix , III Augusta , and XXI Rapax Otho legions : I Adiutrix On the news of Otho 's suicide , Vitellius was recognized as emperor by the Senate .
On the news of Otho 's suicide , Vitellius was recognized as emperor by the Senate .