diff --git a/Server/ReasnAPI/ReasnAPI.Tests/Services/ParticipantServiceTests.cs b/Server/ReasnAPI/ReasnAPI.Tests/Services/ParticipantServiceTests.cs
index 9104800..8537a80 100644
--- a/Server/ReasnAPI/ReasnAPI.Tests/Services/ParticipantServiceTests.cs
+++ b/Server/ReasnAPI/ReasnAPI.Tests/Services/ParticipantServiceTests.cs
@@ -188,7 +188,7 @@ public void CreateParticipant_ParticipantCreated_ParticipantReturned()
             Status = ParticipantStatus.Interested
         };
 
-        var result = participantService.CreateUpdateParticipant(participantDto);
+        var result = participantService.CreateOrUpdateParticipant(participantDto);
 
         Assert.IsNotNull(result);
         Assert.AreEqual("Event-Slug", result.EventSlug);
@@ -204,7 +204,7 @@ public void CreateParticipant_ParticipantDtoIsNull_NullReturned()
 
         var participantService = new ParticipantService(mockContext.Object);
 
-        Assert.ThrowsException<ArgumentNullException>(() => participantService.CreateUpdateParticipant(null));
+        Assert.ThrowsException<ArgumentNullException>(() => participantService.CreateOrUpdateParticipant(null));
     }
 
     [TestMethod]
@@ -242,7 +242,7 @@ public void UpdateParticipant_ParticipantExists_ParticipantReturned()
 
         var participantService = new ParticipantService(mockContext.Object);
 
-        var result = participantService.CreateUpdateParticipant(new ParticipantDto
+        var result = participantService.CreateOrUpdateParticipant(new ParticipantDto
         {
             EventSlug = "Event-Slug",
             Username = "Username",
@@ -265,7 +265,7 @@ public void UpdateParticipant_ParticipantDoesNotExist_NullReturned()
 
         var participantService = new ParticipantService(mockContext.Object);
 
-        Assert.ThrowsException<NotFoundException>(() => participantService.CreateUpdateParticipant(new ParticipantDto
+        Assert.ThrowsException<NotFoundException>(() => participantService.CreateOrUpdateParticipant(new ParticipantDto
         {
             EventSlug = "Event-Slug",
             Username = "Username",
@@ -283,7 +283,7 @@ public void UpdateParticipant_ParticipantDtoIsNull_NullReturned()
 
         var participantService = new ParticipantService(mockContext.Object);
 
-        Assert.ThrowsException<ArgumentNullException>(() => participantService.CreateUpdateParticipant(null));
+        Assert.ThrowsException<ArgumentNullException>(() => participantService.CreateOrUpdateParticipant(null));
     }
 
     [TestMethod]
diff --git a/Server/ReasnAPI/ReasnAPI/Controllers/MeController.cs b/Server/ReasnAPI/ReasnAPI/Controllers/MeController.cs
index 05108a1..66ef603 100644
--- a/Server/ReasnAPI/ReasnAPI/Controllers/MeController.cs
+++ b/Server/ReasnAPI/ReasnAPI/Controllers/MeController.cs
@@ -54,7 +54,7 @@ public IActionResult UpdateCurrentUser(
     public IActionResult GetCurrentUserImage()
     {
         var user = _userService.GetCurrentUser();
-        var image = _imageService.GetImagesByUserId(user.Id);
+        var image = _imageService.GetImageByUserId(user.Id);
 
         if (image is null)
         {
@@ -151,7 +151,7 @@ public IActionResult EnrollCurrentUserInEvent([FromRoute] string slug)
     {
         var user = _userService.GetCurrentUser();
 
-        var participant = _participantService.CreateUpdateParticipant(new ParticipantDto { EventSlug = slug, Username = user.Username, Status = ParticipantStatus.Interested });
+        var participant = _participantService.CreateOrUpdateParticipant(new ParticipantDto { EventSlug = slug, Username = user.Username, Status = ParticipantStatus.Interested });
 
         var location = Url.Action(
             action: nameof(GetCurrentUserEvents),
@@ -166,7 +166,7 @@ public IActionResult EnrollCurrentUserInEvent([FromRoute] string slug)
     public IActionResult ConfirmCurrentUserEventAttendance([FromRoute] string slug)
     {
         var user = _userService.GetCurrentUser();
-        var participant = _participantService.CreateUpdateParticipant(new ParticipantDto { EventSlug = slug, Username = user.Username, Status = ParticipantStatus.Participating });
+        var participant = _participantService.CreateOrUpdateParticipant(new ParticipantDto { EventSlug = slug, Username = user.Username, Status = ParticipantStatus.Participating });
 
         return Ok(participant);
     }
diff --git a/Server/ReasnAPI/ReasnAPI/Services/ImageService.cs b/Server/ReasnAPI/ReasnAPI/Services/ImageService.cs
index df47dde..f911fe1 100644
--- a/Server/ReasnAPI/ReasnAPI/Services/ImageService.cs
+++ b/Server/ReasnAPI/ReasnAPI/Services/ImageService.cs
@@ -174,7 +174,7 @@ public ImageDto GetImageById(int id)
         return imageDto;
     }
 
-    public ImageDto GetImagesByUserId(int userId)
+    public ImageDto GetImageByUserId(int userId)
     {
         var image = context.Images.FirstOrDefault(image => image.ObjectId == userId && image.ObjectType == ObjectType.User);
 
diff --git a/Server/ReasnAPI/ReasnAPI/Services/ParticipantService.cs b/Server/ReasnAPI/ReasnAPI/Services/ParticipantService.cs
index 865f597..481bcb5 100644
--- a/Server/ReasnAPI/ReasnAPI/Services/ParticipantService.cs
+++ b/Server/ReasnAPI/ReasnAPI/Services/ParticipantService.cs
@@ -9,7 +9,7 @@ namespace ReasnAPI.Services;
 
 public class ParticipantService(ReasnContext context)
 {
-    public ParticipantDto CreateUpdateParticipant(ParticipantDto participantDto)
+    public ParticipantDto CreateOrUpdateParticipant(ParticipantDto participantDto)
     {
         ArgumentNullException.ThrowIfNull(participantDto);