Close, Devil’s Tower. However, the “C” in ABC is not “Call upon him” – it is “Confess.” In fact, if you do not confess Christ on earth, He will not confess you in heaven:
32 Therefore everyone who confesses Me before men, I will also confess him before My Father in heaven. 33 But whoever denies Me before men, I will also deny him before My Father in heaven. (Matthew 10:32-33)
9 that if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised Him from the dead, you will be saved. 10 For with your heart you believe and are justified, and with your mouth you confess and are saved. (Romans 10:9-10)
A light is not hid under a barrel, and Jesus is not a secret to be kept.