Long time no blocks! Well HEYHEYHEY, here we have:
Toroko from Cave Story (the bunny)
Metalman from Megaman2 (on the left)
Ninji from Mario2 (the black thingie)
And the last and least, iceberg from Mario3
Metalman is property of capcom, Mario thingies are (c) to Nintendo and Toroko belongs to Pixel.