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HTML 

              
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            <path d="M167,194 C181.333333,180 190.166667,169.666667 193.5,163 C196.833333,156.333333 201.5,146.333333 207.5,133 C222.5,108 231.166667,92.6666667 233.5,87 C237,78.5 238.458395,63.3929098 241.5,66 C244.541605,68.6070902 243.5,91.5 244,96 C244.5,100.5 237.657261,114.211618 241.5,113.5 C245.342739,112.788382 255,100 257.5,93.5 C259.166667,89.1666667 267.666667,80.8333333 283,68.5 C305,55.8333333 316.833333,48.8333333 318.5,47.5 C321,45.5 337,29 340,25.5 C343,22 344.797307,9.37845449 345.5,15 C346.202693,20.6215455 344,35.5 342,41.5 C340,47.5 328.012447,60.5124469 331,63.5 C333.987553,66.4875531 350,57 355,54.5 C360,52 377,36 380,35 C383,34 399.5,20 401.5,14.5 C403.5,9 410.981242,-3.94275453 412,2 C413.018758,7.94275453 410.5,23.5 407.5,32.5 C405.5,38.5 399.166667,48.8333333 388.5,63.5 C382.166667,71.8333333 378.166667,77.3333333 376.5,80 C374.833333,82.6666667 384.166667,78.8333333 404.5,68.5 C415.5,59.8333333 422.5,54.1666667 425.5,51.5 C428.5,48.8333333 423.333333,60.6666667 410,87 C399,100.666667 392.666667,108.166667 391,109.5 C388.5,111.5 378.5,120 376.5,121.5 C375.166667,122.5 373.333333,127 371,135" id="Path-12"></path>
            <path d="M215.5,148 C223.833333,137.666667 234.5,132 247.5,131 C267,129.5 270,132 276.5,129.5 C283,127 293.579955,110.424424 296,111.5 C298.420045,112.575576 285.5,130 285.5,133.5 C285.5,137 289.867584,137.677831 299.5,134 C305.921611,131.548112 310.254944,128.381446 312.5,124.5 L333,105 C344.930979,95.1634681 350.264312,91.9968014 349,95.5 C347.103532,100.754798 335,115.979167 328.5,121.739583 C322,127.5 324.164944,134.563552 326,137 C327.835056,139.436448 334,141 341.5,139 C349,137 358.788819,115.929606 362,117 C365.211181,118.070394 351.5,143.5 353.5,145.5" id="Path-13"></path>
            <g id="Chicken_F2_GLOW" class="chicken_f2_glow" stroke="#FFF19B" transform="translate(123.000000, 175.000000)">
                <path d="M21,46 L49,54" id="Path-16"></path>
                <path d="M17,29 C30.5193679,13.9343256 35.8527012,5.10099232 33,2.5 C28.7209481,-1.40148847 16.5,-2 0,13.5" id="Path-17"></path>
            </g>
            <g id="X-EYE" class="chicken_f2_glow" stroke="#FFF19B" transform="translate(77.000000, 202.000000)">
                <path d="M30,21 L0.5,6.5" id="Path-14"></path>
                <path d="M22.5,0.5 L8,26" id="Path-15"></path>
            </g>
        </g>
<!--   End of f2 glow -->
          <g id="Chicken-F2-STATIC" class="chicken_f2_static" filter="url(#static_blur)" stroke="#FF6300" fill="none" transform="translate(239.000000, -128)" stroke-width="5">
            <path d="M21.5,205 C11.8333333,205 5.33333333,201.333333 2,194 C-1.33333333,186.666667 1.91666667,181.166667 11.75,177.5" id="Path-6"></path>
            <path d="M177,209 L195,201.5" id="Path-8"></path>
            <path d="M167,194 C181.333333,180 190.166667,169.666667 193.5,163 C196.833333,156.333333 201.5,146.333333 207.5,133 C222.5,108 231.166667,92.6666667 233.5,87 C237,78.5 238.458395,63.3929098 241.5,66 C244.541605,68.6070902 243.5,91.5 244,96 C244.5,100.5 237.657261,114.211618 241.5,113.5 C245.342739,112.788382 255,100 257.5,93.5 C259.166667,89.1666667 267.666667,80.8333333 283,68.5 C305,55.8333333 316.833333,48.8333333 318.5,47.5 C321,45.5 337,29 340,25.5 C343,22 344.797307,9.37845449 345.5,15 C346.202693,20.6215455 344,35.5 342,41.5 C340,47.5 328.012447,60.5124469 331,63.5 C333.987553,66.4875531 350,57 355,54.5 C360,52 377,36 380,35 C383,34 399.5,20 401.5,14.5 C403.5,9 410.981242,-3.94275453 412,2 C413.018758,7.94275453 410.5,23.5 407.5,32.5 C405.5,38.5 399.166667,48.8333333 388.5,63.5 C382.166667,71.8333333 378.166667,77.3333333 376.5,80 C374.833333,82.6666667 384.166667,78.8333333 404.5,68.5 C415.5,59.8333333 422.5,54.1666667 425.5,51.5 C428.5,48.8333333 423.333333,60.6666667 410,87 C399,100.666667 392.666667,108.166667 391,109.5 C388.5,111.5 378.5,120 376.5,121.5 C375.166667,122.5 373.333333,127 371,135" id="Path-12"></path>
            <path d="M215.5,148 C223.833333,137.666667 234.5,132 247.5,131 C267,129.5 270,132 276.5,129.5 C283,127 293.579955,110.424424 296,111.5 C298.420045,112.575576 285.5,130 285.5,133.5 C285.5,137 289.867584,137.677831 299.5,134 C305.921611,131.548112 310.254944,128.381446 312.5,124.5 L333,105 C344.930979,95.1634681 350.264312,91.9968014 349,95.5 C347.103532,100.754798 335,115.979167 328.5,121.739583 C322,127.5 324.164944,134.563552 326,137 C327.835056,139.436448 334,141 341.5,139 C349,137 358.788819,115.929606 362,117 C365.211181,118.070394 351.5,143.5 353.5,145.5" id="Path-13"></path>
            <g id="Open-Mouth" class="chicken_f2_static hideonoff" stroke="#FFF19B" transform="translate(123.000000, 175.000000)">
                <path d="M21,46 L49,54" id="Path-16"></path>
                <path d="M17,29 C30.5193679,13.9343256 35.8527012,5.10099232 33,2.5 C28.7209481,-1.40148847 16.5,-2 0,13.5" id="Path-17"></path>
            </g>
            <g id="Chicken-F2-STATIC-EYE" class="chicken_f2_static hideonoff" stroke="#FFF19B" transform="translate(77.000000, 202.000000)">
                <path d="M30,21 L0.5,6.5" id="Path-14"></path>
                <path d="M22.5,0.5 L8,26" id="Path-15"></path>
            </g>
        </g>
<!--   End of chicken f2 -->
  

  
</svg>
    </div>
   </div>
</div>
!

CSS 

              
                body,
html {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background: radial-gradient(ellipse at center, rgb(49, 44, 24) 0%, rgba(0, 0, 0, 0.73) 100%)
}
.container {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
}

.neon {
  width: 100%;
  height: auto;
  animation: flicker 2s linear infinite;
}
.neon svg {
  width: 100%;
  height: auto;
}
.off.hideonoff{
  opacity: 0;
}
.chicken_f2_static.off{
  stroke: #222;
}
.chicken_f2_glow.off{
  stroke: none;
}
.chicken_f1_static.off{
  stroke: #222;
}
.chicken_f1_glow.off{
  stroke: none;
}

@keyframes flicker {
  from {
    opacity: 1;
  }

  4% {
    opacity: .9;
  }

  6% {
    opacity: .85;
  }

  8% {
    opacity: .95;
  }

  10% {
    opacity: .90;
  }

  11% {
    opacity: .922;
  }

  12% {
    opacity: .9;
  }

  14% {
    opacity: .95;
  }

  16% {
    opacity: .98;
  }

  17% {
    opacity: .9;
  }

  19% {
    opacity: .93;
  }

  20% {
    opacity: .99;
  }

  24% {
    opacity: 1;
  }

  26% {
    opacity: .94;
  }

  28% {
    opacity: .98;
  }

  37% {
    opacity: .93;
  }

  38% {
    opacity: .5;
  }

  39% {
    opacity: .96;
  }

  42% {
    opacity: 1;
  }

  44% {
    opacity: .97;
  }

  46% {
    opacity: .94;
  }

  56% {
    opacity: .9;
  }

  58% {
    opacity: .9;
  }

  60% {
    opacity: .99;
  }

  68% {
    opacity: 1;
  }

  70% {
    opacity: .9;
  }

  72% {
    opacity: .95;
  }

  93% {
    opacity: .93;
  }

  95% {
    opacity: .95;
  }

  97% {
    opacity: .93;
  }

  to {
    opacity: 1;
  }
}
!

JS 

              
                setInterval(function() {
  $('.chicken_f2_static').toggleClass('off');
  $('.chicken_f2_glow').toggleClass('off');
  $('.chicken_f1_static').toggleClass('off');
  $('.chicken_f1_glow').toggleClass('off');
  
}, 2000);
!
999px

Console