"H-Hi. I'm Gunther...from another future. Everyone is the complete opposite."

Future Gunther:
Age: Unknown
Sexuality: Unknown
Species: Cat/Human
Personality: Unknown
Owner: Mr River or as you say Ace

"P-Please don't speak of Mr River....He wouldn't like that." "I was once completely human."

Present Gunther:
Age: None of your beeswax
Sexuality: No
Species: Cat
Personality: Defensive, In attackmode