- He may not like Mr Cow2 because in the episode Welcome to my Peng-mare he said "All of my friends,and Mr Cow2,destroyed!" referring to Mr Cow2 not being one of his friends
- Another hint: In the same episode (Welcome to my Peng-mare) he said "I'd do this for any of you! Except Mr Cow2"
- One other hint is that in the episode Penguin smash super cup(part 2) He saids Dont worry Dont worry Mr Cow2... my bitter rival.
- At the next episode he said What is it...rival?
- After Rage Against the Galaxy,their rivalry ended.
- he is friends with Herbert sometimes. because in blue bear blues he saved Herberts life from drowning