that is the kernel logo, ive seen a tut about it on here some where. i would link it to you but im on mobile getting garbage reception right now.

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DEVICE: Vibrant-T959
ROM: vanir_4.4.2.021214
KERNEL: Mackay_Kernel_0.609_cwm
RECOVERY: Cwm 6.0.4.7
THEME: Jb Extreme