The grim reaper is another example of the mixing in of paganism with Christianity.
The bible does mention reapers.
But the reapers in the bible are Angels not the black clad skeleton often depicted in pop culture.
Jesus gave a parable where he mentioned the reapers.
Matthew 13
24 Another parable He put forth to them, saying: “The kingdom of heaven is like a man who sowed good seed in his field; 25 but while men slept, his enemy came and sowed tares among the wheat and went his way. 26 But when the grain had sprouted and produced a crop, then the tares also appeared. 27 So the servants of the owner came and said to him, ‘Sir, did you not sow good seed in your field? How then does it have tares?’ 28 He said to them, ‘An enemy has done this.’ The servants said to him, ‘Do you want us then to go and gather them up?’ 29 But he said, ‘No, lest while you gather up the tares you also uproot the wheat with them. 30 Let both grow together until the harvest, and at the time of harvest I will say to the reapers, “First gather together the tares and bind them in bundles to burn them, but gather the wheat into my barn.”’”
So there are two reapers. Jesus went on to explain to the disciples:
Matthew 13
36 Then Jesus sent the multitude away and went into the house. And His disciples came to Him, saying, “Explain to us the parable of the tares of the field.”
37 He answered and said to them: “He who sows the good seed is the Son of Man. 38 The field is the world, the good seeds are the sons of the kingdom, but the tares are the sons of the wicked one. 39 The enemy who sowed them is the devil, the harvest is the end of the age, and the reapers are the angels.
The book of Revelation also mentions these two angels.
Revelation 14
14 Then I looked, and behold, a white cloud, and on the cloud sat One like the Son of Man, having on His head a golden crown, and in His hand a sharp sickle. 15 And another angel came out of the temple, crying with a loud voice to Him who sat on the cloud, “Thrust in Your sickle and reap, for the time has come for You to reap, for the harvest of the earth is ripe.” 16 So He who sat on the cloud thrust in His sickle on the earth, and the earth was reaped.
17 Then another angel came out of the temple which is in heaven, he also having a sharp sickle.
18 And another angel came out from the altar, who had power over fire, and he cried with a loud cry to him who had the sharp sickle, saying, “Thrust in your sharp sickle and gather the clusters of the vine of the earth, for her grapes are fully ripe.” 19 So the angel thrust his sickle into the earth and gathered the vine of the earth, and threw it into the great winepress of the wrath of God. 20 And the winepress was trampled outside the city, and blood came out of the winepress, up to the horses’ bridles, for one thousand six hundred furlongs.
So one reaper who you want to be reaped by and one reaper that you would prefer to avoid.
All Praise The Ancient Of Days