They Even Have  a Theme  Song -

The Megas - GeminEye  It matches their back story

 Gem-M9 hunter  Units(Pollux and Castor)

Name Origin - Two Stars in Constellation, Gemini 

Gem-M9 is the Name usually used with the blue male Gem-M9  or Pollux,Pollux is  a  rather  Stubborn person not really open to  anything infact He  thought Making a Virus into  an Antivirus was a Stupid  idea and still  doesn't  Trust K.A.I Especially after the Accident that Caused Castor his Sister to Disappear when  still Effect him since he  thinks She was  Deleted  when actually she was Infected after being Injured  and   Ran away as Castor was a Free Spirit Compared to Pollux who is Rather Strict and Militaristic about everything they Did which is why they Did so well together  when Hunting and defeating Viruses as Pollux Planned out Attacks Before Castor attacks Willy Nilly .Pollux sometimes Feels  that hes Nothing without Castor  but hasn't Stopped  him from  Hunting Virus with the other Members that Are still alive 

Pollux
61**aa7.7.0.8.58.29.78.1.4.66_ab28.18.55.59_ac_ba50_bb5.1_bc412.500.27.0.1.0_bd5_be180_bf_bg_ca62.17.52.62.64.46.56.48.78.0.56.81_daDEDEDE.0.0.100_db_dd9.3.0.50.50.50_dhDEDEDE.30.50.50.0_di0_qa_qb_dc0.2.DEDEDE.DEDEDE.DEDEDE.0_eh_ea56.55.55.56.0.0_ec_ed0.88.0.1.17.56_ef15.2.36.55.17.56.88.1_eg_r000.55.55.56.2.2.70.70.345.498.622.0.1_r0131.55.17.56.0.0.44.54.0.490.466.0.1_fa18.50.60.50.0.75.17_fb7_fh5_fc90.55.55.90.2.55.12.58.3.40.50.51_fj0.0.0_fd1.0.19.55.56_fe50.61_ff0000000000_fg8.50.56.0.0.1.0.0_fi12.70.36.30.84_pa0.50.50.50.40.50.85.85.0.0_t00_pb_pc_pd_pe_ga0_gb1_gc0.0_ge0000000000_gh_gf_gg_gd000000_ha89.89_hb49.1.44.99_hc0.59.39.0.59.39_hd0.1.49.49.2_ia_if6.55.55.19.1.39.0.0.39.0.0.0.0.0_ib_id4.55.55.44.0.0.1.0.0.0.0.0.0.0_ic_jc_ie4.56.56.0.17.55.19.0.8.55.55.0.2_ja_jb_jd16.60.20.60_je16.60.20.60_jf_jg_ka29.55.55.23.0_kb_kc_kd_ke_kf_la_lb_oa_os0.60.20.20.0_ob_oc_od_oe_of_lc_m00_n00_s000.55.55.56.1.88.0.500.615.2.11.0.2.0.61_s010.60.60.56.0.50.21.500.498.2.0.0.50.3.61_og25.60.20.20_oh25.60.20.20_oo_op_oq_or_om_on_ok_ol_oi_oj_ad0.0.0.0.0.0.0.0.0.0

Castor 

61**aa31.78.1.4.64.35.33.0.2.50_ab_ac28.2.60.55_ba50_bb6.1_bc587.500.27.0.1.0_bd8_be180_bf_bg_ca62.1.30.62.22.34.56.48.25.0.60.80_daE3E3E3.0.0.100_db_dd9.3.34.50.50.50_dhE3E3E3.30.50.50.0_di5_qa_qb_dc0.2.E3E3E3.E3E3E3.E3E3E3.0_eh_ea56.55.55.56.0.0_ec_ed0.88.1.1.8.56_ef_eg15.1.36.55.2.56.88.1_r0057.55.2.56.1.0.142.100.148.520.493.0.1_fa17.50.60.50.0.35.3_fb7_fh5_fc90.18.55.90.55.55.12.20.57.40.50.51_fj0.0.0_fd0.0.29.55.56_fe50.61_ff0000000000_fg8.50.56.0.0.1.0.0_fi12.70.36.30.84_pa1.0.0.0.42.29.80.85.0.0_t00_pb_pc_pd_pe_ga0_gb1_gc0.0_ge0000000000_gh_gf_gg_gd000000_ha89.89_hb49.1.44.99_hc0.59.39.0.59.39_hd0.1.49.49.2_ia_if6.60.60.D82660.1.39.0.0.39.0.0.0.0.0_ib_id4.60.60.26.0.0.1.0.55.0.0.55.0.0_ic_jc_ie4.56.56.0.11.60.E31E39.0.17.60.E31B60.0.2_ja11.55.2.0_jb_jd16.55.3.55_je16.55.3.55_jf_jg_ka29.60.55.39.0_kb_kc_kd_ke_kf_la_lb_oa_os3.55.2.43.1_ob_oc_od_oe_of_lc_m00_n00_s000.56.56.56.0.50.170.500.500.2.0.0.50.3.61_og25.55.2.1_oh25.55.2.1_oo_op_oq_or_om_on_ok_ol_oi_oj_ad0.0.0.0.0.0.0.0.0.0