svg
<svg id="slime" viewBox="0 0 640 640" width="200" height="200" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>
<ellipse id="kage" style="fill: rgb(177, 173, 173);" transform="matrix(0.023593001067638394, 0.9997220635414122, -1.0001959800720215, 0.0035110001917928453, 1441.7421874999998, 407.8441162109375)" cx="124.259" cy="1118.634" rx="46.193" ry="146.73"/>
<path id="body" style="fill: rgba(0, 149, 255, 0.8);">
<animate dur="5s" repeatCount="indefinite" attributeName="d" additive="sum" attributeType="XML" values="
M 321.564 551.833 C 198.774 550.303 116.813 478.299 124.221 406.418 C 132.427 326.791 136.663 332.966 172.951 297.524 C 206.533 264.725 241.277 263.319 257.606 245.37 C 275.718 225.461 292.504 154.013 306.814 127.853 C 311.774 118.803 324.654 117.183 332.254 130.403 C 341.044 145.693 345.283 202.8 376.423 240.567 C 401.366 270.818 416.495 257.192 460.623 296.894 C 490.033 323.354 509.829 343.557 511.448 411.047 C 513.454 494.677 444.344 553.353 321.564 551.833;M 319.648 551.84 C 189.921 550.5 103.688 487.466 111.879 424.54 C 120.953 354.833 125.397 360.239 163.918 329.212 C 199.563 300.5 236.282 299.268 253.626 283.555 C 272.862 266.126 290.959 203.579 306.212 180.679 C 311.497 172.756 325.114 171.338 333.077 182.911 C 342.286 196.295 346.476 246.289 379.186 279.351 C 405.387 305.834 421.441 293.905 467.862 328.661 C 498.803 351.824 519.615 369.51 520.984 428.593 C 522.68 501.804 449.365 553.171 319.648 551.84;M 321.564 551.833 C 198.774 550.303 116.813 478.299 124.221 406.418 C 132.427 326.791 136.663 332.966 172.951 297.524 C 206.533 264.725 241.277 263.319 257.606 245.37 C 275.718 225.461 292.504 154.013 306.814 127.853 C 311.774 118.803 324.654 117.183 332.254 130.403 C 341.044 145.693 345.283 202.8 376.423 240.567 C 401.366 270.818 416.495 257.192 460.623 296.894 C 490.033 323.354 509.829 343.557 511.448 411.047 C 513.454 494.677 444.344 553.353 321.564 551.833;">
</animate>
</path>
<path id="eyeL1" d="M 234.764 406.444 C 224.354 387.604 231.704 364.154 251.184 354.064 C 270.664 343.974 294.904 351.064 305.314 369.914 C 315.724 388.754 308.374 412.204 288.894 422.294 C 269.404 432.384 245.174 425.294 234.764 406.444 Z" style="fill: rgb(255, 255, 255);"/>
<path id="eyeR1" d="M 333.888 407.914 C 322.908 389.524 329.028 365.784 347.558 354.884 C 366.088 343.994 390.008 350.064 400.988 368.454 C 411.968 386.834 405.848 410.574 387.318 421.474 C 368.788 432.374 344.868 426.294 333.888 407.914 Z" style="fill: rgb(251, 251, 251);"/>
<path id="eyeL2" d="M 254.388 400.726 C 247.228 392.766 247.868 380.506 255.828 373.346 C 263.798 366.176 276.058 366.826 283.218 374.786 C 290.388 382.746 289.738 395.006 281.778 402.166 C 273.818 409.336 261.558 408.686 254.388 400.726 Z"/>
<path id="eyeR2" d="M 354.598 402.593 C 346.638 395.423 345.998 383.163 353.158 375.203 C 360.328 367.243 372.588 366.603 380.548 373.763 C 388.508 380.933 389.148 393.193 381.988 401.153 C 374.818 409.113 362.558 409.753 354.598 402.593 Z"/>
<path id="mouth" d="M 242.618 450.713 C 261.081 455.473 267.717 460.205 293.277 463.652 C 318.827 467.107 310.918 468.077 342.698 464.923 C 374.487 461.768 376.852 453.161 397.238 447.522 C 417.624 441.891 434.886 464.98 372.573 481.624 C 345.154 488.946 306.855 489.781 274.633 483.03 C 242.42 476.278 237.545 473.801 227.225 467.649 C 216.915 461.504 224.146 445.952 242.618 450.713 Z" style="fill: rgba(255, 0, 0, 0.7);"/>
</defs>
<a xlink:href="#">
<g>
<use xlink:href="#kage"></use>
<use xlink:href="#body"></use>
<g>
<use xlink:href="#eyeL1"></use>
<use xlink:href="#eyeR1"></use>
<use xlink:href="#eyeL2"></use>
<use xlink:href="#eyeR2"></use>
<use xlink:href="#mouth"></use>
<animateTransform
attributeName="transform"
attributeType="XML"
type="translate" dur="2s"
repeatCount="indefinite"
values="0 0;0 10;0 0" />
</g>
</g>
</a>
</svg>