Jarvis Jarvis weighed 400g on day 2 and wears a yellow collar. Jarvis end of week 1. Has wrigged out of his collar already. Very noisy. Weighs 730g. Jarvis aged 3 weeks and weighing 1050g Jarvis at 4 weeks weighing 1400g Jarvis at 6 weeks. He’s one of the bigger ones and is very inquisitive. He uses his size and his large paws to move everyone out of the way at feeding time. Jarvis at 5 weeks.