Second one is Pradyumna

In vishnu sahasranama we have -

अनिरुद्धो अप्रतिरथ: प्रध्युम्नो अमितविक्रम: ||

My first one's name is Aniruddha. So the second one follows -

कुलदेवता नाम्ना   चेन्नकेशव:  असि
नक्षत्र नाम्ना   वासुदेव:  असि
मास नाम्ना   यज्नपुरुशः  असि
व्यवहार नाम्ना   प्रद्युम्न:   असि


My second one is now named। :) A small but memorable function in LR Bande Raghavendra swami matha on 17th April before he finishes his 5th month.